Home / 8,898.18-12,273.54-5,357.70

Finding the Fourth Proportional to 8,898.18, 12,273.54 and 5,357.70

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Solution

The fourth proportional to 8,898.18, 12,273.54 and 5,357.70 is: 7,390.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.18 : 12,273.54 = 5,357.70 : x
  2. Step 2: Convert to fraction form
    8,898.18/12,273.54 = 5,357.70/x
  3. Step 3: Cross multiply
    8,898.18x = 12,273.54 × 5,357.70
  4. Step 4: Simplify right side
    8,898.18x = 65,757,945.26
  5. Step 5: Solve for x
    x = 65,757,945.26/8,898.18
  6. Step 6: Final answer
    x = 7,390.04

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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.