Home / 10,158.39-15,237.14-3,917.25

Finding the Fourth Proportional to 10,158.39, 15,237.14 and 3,917.25

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Solution

The fourth proportional to 10,158.39, 15,237.14 and 3,917.25 is: 5,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.39 : 15,237.14 = 3,917.25 : x
  2. Step 2: Convert to fraction form
    10,158.39/15,237.14 = 3,917.25/x
  3. Step 3: Cross multiply
    10,158.39x = 15,237.14 × 3,917.25
  4. Step 4: Simplify right side
    10,158.39x = 59,687,667.08
  5. Step 5: Solve for x
    x = 59,687,667.08/10,158.39
  6. Step 6: Final answer
    x = 5,875.70

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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.