Home / 9,001.89-12,422.84-5,022.99

Finding the Fourth Proportional to 9,001.89, 12,422.84 and 5,022.99

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Solution

The fourth proportional to 9,001.89, 12,422.84 and 5,022.99 is: 6,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.89 : 12,422.84 = 5,022.99 : x
  2. Step 2: Convert to fraction form
    9,001.89/12,422.84 = 5,022.99/x
  3. Step 3: Cross multiply
    9,001.89x = 12,422.84 × 5,022.99
  4. Step 4: Simplify right side
    9,001.89x = 62,399,775.98
  5. Step 5: Solve for x
    x = 62,399,775.98/9,001.89
  6. Step 6: Final answer
    x = 6,931.85

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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.