Home / 10,158.13-15,239-3,588.13

Finding the Fourth Proportional to 10,158.13, 15,239 and 3,588.13

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Solution

The fourth proportional to 10,158.13, 15,239 and 3,588.13 is: 5,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.13 : 15,239 = 3,588.13 : x
  2. Step 2: Convert to fraction form
    10,158.13/15,239 = 3,588.13/x
  3. Step 3: Cross multiply
    10,158.13x = 15,239 × 3,588.13
  4. Step 4: Simplify right side
    10,158.13x = 54,679,513.07
  5. Step 5: Solve for x
    x = 54,679,513.07/10,158.13
  6. Step 6: Final answer
    x = 5,382.83

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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.