Home / 8,934.49-12,329.92-5,397.01

Finding the Fourth Proportional to 8,934.49, 12,329.92 and 5,397.01

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Solution

The fourth proportional to 8,934.49, 12,329.92 and 5,397.01 is: 7,448.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.49 : 12,329.92 = 5,397.01 : x
  2. Step 2: Convert to fraction form
    8,934.49/12,329.92 = 5,397.01/x
  3. Step 3: Cross multiply
    8,934.49x = 12,329.92 × 5,397.01
  4. Step 4: Simplify right side
    8,934.49x = 66,544,701.54
  5. Step 5: Solve for x
    x = 66,544,701.54/8,934.49
  6. Step 6: Final answer
    x = 7,448.07

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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.