Home / 9,118.01-13,677.02-5,219.71

Finding the Fourth Proportional to 9,118.01, 13,677.02 and 5,219.71

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Solution

The fourth proportional to 9,118.01, 13,677.02 and 5,219.71 is: 7,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.01 : 13,677.02 = 5,219.71 : x
  2. Step 2: Convert to fraction form
    9,118.01/13,677.02 = 5,219.71/x
  3. Step 3: Cross multiply
    9,118.01x = 13,677.02 × 5,219.71
  4. Step 4: Simplify right side
    9,118.01x = 71,390,078.06
  5. Step 5: Solve for x
    x = 71,390,078.06/9,118.01
  6. Step 6: Final answer
    x = 7,829.57

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.