Home / 9,001.81-12,422.47-5,022.88

Finding the Fourth Proportional to 9,001.81, 12,422.47 and 5,022.88

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Solution

The fourth proportional to 9,001.81, 12,422.47 and 5,022.88 is: 6,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.81 : 12,422.47 = 5,022.88 : x
  2. Step 2: Convert to fraction form
    9,001.81/12,422.47 = 5,022.88/x
  3. Step 3: Cross multiply
    9,001.81x = 12,422.47 × 5,022.88
  4. Step 4: Simplify right side
    9,001.81x = 62,396,576.11
  5. Step 5: Solve for x
    x = 62,396,576.11/9,001.81
  6. Step 6: Final answer
    x = 6,931.56

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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.