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Finding the Fourth Proportional to 8,346.69, 12,534.35 and 7,411.74

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Solution

The fourth proportional to 8,346.69, 12,534.35 and 7,411.74 is: 11,130.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.69 : 12,534.35 = 7,411.74 : x
  2. Step 2: Convert to fraction form
    8,346.69/12,534.35 = 7,411.74/x
  3. Step 3: Cross multiply
    8,346.69x = 12,534.35 × 7,411.74
  4. Step 4: Simplify right side
    8,346.69x = 92,901,306.21
  5. Step 5: Solve for x
    x = 92,901,306.21/8,346.69
  6. Step 6: Final answer
    x = 11,130.32

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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.