Home / 10,330.50-15,483.44-5,398.82

Finding the Fourth Proportional to 10,330.50, 15,483.44 and 5,398.82

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Solution

The fourth proportional to 10,330.50, 15,483.44 and 5,398.82 is: 8,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.50 : 15,483.44 = 5,398.82 : x
  2. Step 2: Convert to fraction form
    10,330.50/15,483.44 = 5,398.82/x
  3. Step 3: Cross multiply
    10,330.50x = 15,483.44 × 5,398.82
  4. Step 4: Simplify right side
    10,330.50x = 83,592,305.54
  5. Step 5: Solve for x
    x = 83,592,305.54/10,330.50
  6. Step 6: Final answer
    x = 8,091.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.