Home / 8,432.10-11,635.38-4,894.74

Finding the Fourth Proportional to 8,432.10, 11,635.38 and 4,894.74

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Solution

The fourth proportional to 8,432.10, 11,635.38 and 4,894.74 is: 6,754.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.10 : 11,635.38 = 4,894.74 : x
  2. Step 2: Convert to fraction form
    8,432.10/11,635.38 = 4,894.74/x
  3. Step 3: Cross multiply
    8,432.10x = 11,635.38 × 4,894.74
  4. Step 4: Simplify right side
    8,432.10x = 56,952,159.90
  5. Step 5: Solve for x
    x = 56,952,159.90/8,432.10
  6. Step 6: Final answer
    x = 6,754.21

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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.