Home / 9,116.38-12,580.61-4,924.63

Finding the Fourth Proportional to 9,116.38, 12,580.61 and 4,924.63

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Solution

The fourth proportional to 9,116.38, 12,580.61 and 4,924.63 is: 6,795.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.38 : 12,580.61 = 4,924.63 : x
  2. Step 2: Convert to fraction form
    9,116.38/12,580.61 = 4,924.63/x
  3. Step 3: Cross multiply
    9,116.38x = 12,580.61 × 4,924.63
  4. Step 4: Simplify right side
    9,116.38x = 61,954,849.42
  5. Step 5: Solve for x
    x = 61,954,849.42/9,116.38
  6. Step 6: Final answer
    x = 6,795.99

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Half scale
Find fourth proportional to 18,232.76, 25,161.22 and 9,849.26
Double scale
Find fourth proportional to 9,117.38, 12,581.99 and 4,925.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.