Home / 7,535.52-10,398.90-4,178.34

Finding the Fourth Proportional to 7,535.52, 10,398.90 and 4,178.34

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Solution

The fourth proportional to 7,535.52, 10,398.90 and 4,178.34 is: 5,766.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,535.52 : 10,398.90 = 4,178.34 : x
  2. Step 2: Convert to fraction form
    7,535.52/10,398.90 = 4,178.34/x
  3. Step 3: Cross multiply
    7,535.52x = 10,398.90 × 4,178.34
  4. Step 4: Simplify right side
    7,535.52x = 43,450,139.83
  5. Step 5: Solve for x
    x = 43,450,139.83/7,535.52
  6. Step 6: Final answer
    x = 5,766.04

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Half scale
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Double scale
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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.