Home / 9,151.97-12,632.40-5,324.51

Finding the Fourth Proportional to 9,151.97, 12,632.40 and 5,324.51

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Solution

The fourth proportional to 9,151.97, 12,632.40 and 5,324.51 is: 7,349.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.97 : 12,632.40 = 5,324.51 : x
  2. Step 2: Convert to fraction form
    9,151.97/12,632.40 = 5,324.51/x
  3. Step 3: Cross multiply
    9,151.97x = 12,632.40 × 5,324.51
  4. Step 4: Simplify right side
    9,151.97x = 67,261,371.71
  5. Step 5: Solve for x
    x = 67,261,371.71/9,151.97
  6. Step 6: Final answer
    x = 7,349.39

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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.