Home / 8,900.57-12,282.75-5,363.97

Finding the Fourth Proportional to 8,900.57, 12,282.75 and 5,363.97

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Solution

The fourth proportional to 8,900.57, 12,282.75 and 5,363.97 is: 7,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.57 : 12,282.75 = 5,363.97 : x
  2. Step 2: Convert to fraction form
    8,900.57/12,282.75 = 5,363.97/x
  3. Step 3: Cross multiply
    8,900.57x = 12,282.75 × 5,363.97
  4. Step 4: Simplify right side
    8,900.57x = 65,884,302.52
  5. Step 5: Solve for x
    x = 65,884,302.52/8,900.57
  6. Step 6: Final answer
    x = 7,402.26

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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.