Home / 8,898.43-12,273.89-5,357.95

Finding the Fourth Proportional to 8,898.43, 12,273.89 and 5,357.95

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Solution

The fourth proportional to 8,898.43, 12,273.89 and 5,357.95 is: 7,390.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.43 : 12,273.89 = 5,357.95 : x
  2. Step 2: Convert to fraction form
    8,898.43/12,273.89 = 5,357.95/x
  3. Step 3: Cross multiply
    8,898.43x = 12,273.89 × 5,357.95
  4. Step 4: Simplify right side
    8,898.43x = 65,762,862.14
  5. Step 5: Solve for x
    x = 65,762,862.14/8,898.43
  6. Step 6: Final answer
    x = 7,390.39

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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.