Home / 10,002.36-15,002.91-4,159.02

Finding the Fourth Proportional to 10,002.36, 15,002.91 and 4,159.02

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Solution

The fourth proportional to 10,002.36, 15,002.91 and 4,159.02 is: 6,238.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002.36 : 15,002.91 = 4,159.02 : x
  2. Step 2: Convert to fraction form
    10,002.36/15,002.91 = 4,159.02/x
  3. Step 3: Cross multiply
    10,002.36x = 15,002.91 × 4,159.02
  4. Step 4: Simplify right side
    10,002.36x = 62,397,402.75
  5. Step 5: Solve for x
    x = 62,397,402.75/10,002.36
  6. Step 6: Final answer
    x = 6,238.27

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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.