Home / 10,315.52-14,234.56-6,123.04

Finding the Fourth Proportional to 10,315.52, 14,234.56 and 6,123.04

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Solution

The fourth proportional to 10,315.52, 14,234.56 and 6,123.04 is: 8,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.52 : 14,234.56 = 6,123.04 : x
  2. Step 2: Convert to fraction form
    10,315.52/14,234.56 = 6,123.04/x
  3. Step 3: Cross multiply
    10,315.52x = 14,234.56 × 6,123.04
  4. Step 4: Simplify right side
    10,315.52x = 87,158,780.26
  5. Step 5: Solve for x
    x = 87,158,780.26/10,315.52
  6. Step 6: Final answer
    x = 8,449.29

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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.