Home / 10,943.91-16,416.54-7,432.43

Finding the Fourth Proportional to 10,943.91, 16,416.54 and 7,432.43

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Solution

The fourth proportional to 10,943.91, 16,416.54 and 7,432.43 is: 11,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.91 : 16,416.54 = 7,432.43 : x
  2. Step 2: Convert to fraction form
    10,943.91/16,416.54 = 7,432.43/x
  3. Step 3: Cross multiply
    10,943.91x = 16,416.54 × 7,432.43
  4. Step 4: Simplify right side
    10,943.91x = 122,014,702.31
  5. Step 5: Solve for x
    x = 122,014,702.31/10,943.91
  6. Step 6: Final answer
    x = 11,149.10

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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.