Home / 10,507.14-15,755.85-4,665.42

Finding the Fourth Proportional to 10,507.14, 15,755.85 and 4,665.42

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Solution

The fourth proportional to 10,507.14, 15,755.85 and 4,665.42 is: 6,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507.14 : 15,755.85 = 4,665.42 : x
  2. Step 2: Convert to fraction form
    10,507.14/15,755.85 = 4,665.42/x
  3. Step 3: Cross multiply
    10,507.14x = 15,755.85 × 4,665.42
  4. Step 4: Simplify right side
    10,507.14x = 73,507,657.71
  5. Step 5: Solve for x
    x = 73,507,657.71/10,507.14
  6. Step 6: Final answer
    x = 6,995.97

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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.