Home / 8,981.19-12,394.13-5,002.29

Finding the Fourth Proportional to 8,981.19, 12,394.13 and 5,002.29

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Solution

The fourth proportional to 8,981.19, 12,394.13 and 5,002.29 is: 6,903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.19 : 12,394.13 = 5,002.29 : x
  2. Step 2: Convert to fraction form
    8,981.19/12,394.13 = 5,002.29/x
  3. Step 3: Cross multiply
    8,981.19x = 12,394.13 × 5,002.29
  4. Step 4: Simplify right side
    8,981.19x = 61,999,007.55
  5. Step 5: Solve for x
    x = 61,999,007.55/8,981.19
  6. Step 6: Final answer
    x = 6,903.21

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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.