Home / 10,663.80-15,995.78-4,088.42

Finding the Fourth Proportional to 10,663.80, 15,995.78 and 4,088.42

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Solution

The fourth proportional to 10,663.80, 15,995.78 and 4,088.42 is: 6,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.80 : 15,995.78 = 4,088.42 : x
  2. Step 2: Convert to fraction form
    10,663.80/15,995.78 = 4,088.42/x
  3. Step 3: Cross multiply
    10,663.80x = 15,995.78 × 4,088.42
  4. Step 4: Simplify right side
    10,663.80x = 65,397,466.87
  5. Step 5: Solve for x
    x = 65,397,466.87/10,663.80
  6. Step 6: Final answer
    x = 6,132.66

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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.