Home / 10,022.12-15,032.37-4,475.78

Finding the Fourth Proportional to 10,022.12, 15,032.37 and 4,475.78

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Solution

The fourth proportional to 10,022.12, 15,032.37 and 4,475.78 is: 6,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022.12 : 15,032.37 = 4,475.78 : x
  2. Step 2: Convert to fraction form
    10,022.12/15,032.37 = 4,475.78/x
  3. Step 3: Cross multiply
    10,022.12x = 15,032.37 × 4,475.78
  4. Step 4: Simplify right side
    10,022.12x = 67,281,581.00
  5. Step 5: Solve for x
    x = 67,281,581.00/10,022.12
  6. Step 6: Final answer
    x = 6,713.31

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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.