Home / 11,635.12-16,061.70-7,445.80

Finding the Fourth Proportional to 11,635.12, 16,061.70 and 7,445.80

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Solution

The fourth proportional to 11,635.12, 16,061.70 and 7,445.80 is: 10,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,635.12 : 16,061.70 = 7,445.80 : x
  2. Step 2: Convert to fraction form
    11,635.12/16,061.70 = 7,445.80/x
  3. Step 3: Cross multiply
    11,635.12x = 16,061.70 × 7,445.80
  4. Step 4: Simplify right side
    11,635.12x = 119,592,205.86
  5. Step 5: Solve for x
    x = 119,592,205.86/11,635.12
  6. Step 6: Final answer
    x = 10,278.55

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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.