Home / 9,127.38-12,595.75-4,935.63

Finding the Fourth Proportional to 9,127.38, 12,595.75 and 4,935.63

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Solution

The fourth proportional to 9,127.38, 12,595.75 and 4,935.63 is: 6,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,127.38 : 12,595.75 = 4,935.63 : x
  2. Step 2: Convert to fraction form
    9,127.38/12,595.75 = 4,935.63/x
  3. Step 3: Cross multiply
    9,127.38x = 12,595.75 × 4,935.63
  4. Step 4: Simplify right side
    9,127.38x = 62,167,961.57
  5. Step 5: Solve for x
    x = 62,167,961.57/9,127.38
  6. Step 6: Final answer
    x = 6,811.15

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Half scale
Find fourth proportional to 18,254.76, 25,191.50 and 9,871.26
Double scale
Find fourth proportional to 9,128.38, 12,597.13 and 4,936.63
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.