Home / 10,531.72-14,533.68-5,815.96

Finding the Fourth Proportional to 10,531.72, 14,533.68 and 5,815.96

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Solution

The fourth proportional to 10,531.72, 14,533.68 and 5,815.96 is: 8,025.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.72 : 14,533.68 = 5,815.96 : x
  2. Step 2: Convert to fraction form
    10,531.72/14,533.68 = 5,815.96/x
  3. Step 3: Cross multiply
    10,531.72x = 14,533.68 × 5,815.96
  4. Step 4: Simplify right side
    10,531.72x = 84,527,301.53
  5. Step 5: Solve for x
    x = 84,527,301.53/10,531.72
  6. Step 6: Final answer
    x = 8,025.97

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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.