Home / 12,657.06-18,985.61-4,337.14

Finding the Fourth Proportional to 12,657.06, 18,985.61 and 4,337.14

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Solution

The fourth proportional to 12,657.06, 18,985.61 and 4,337.14 is: 6,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,657.06 : 18,985.61 = 4,337.14 : x
  2. Step 2: Convert to fraction form
    12,657.06/18,985.61 = 4,337.14/x
  3. Step 3: Cross multiply
    12,657.06x = 18,985.61 × 4,337.14
  4. Step 4: Simplify right side
    12,657.06x = 82,343,248.56
  5. Step 5: Solve for x
    x = 82,343,248.56/12,657.06
  6. Step 6: Final answer
    x = 6,505.72

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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.