Home / 8,151.42-11,254.14-5,603.36

Finding the Fourth Proportional to 8,151.42, 11,254.14 and 5,603.36

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Solution

The fourth proportional to 8,151.42, 11,254.14 and 5,603.36 is: 7,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.42 : 11,254.14 = 5,603.36 : x
  2. Step 2: Convert to fraction form
    8,151.42/11,254.14 = 5,603.36/x
  3. Step 3: Cross multiply
    8,151.42x = 11,254.14 × 5,603.36
  4. Step 4: Simplify right side
    8,151.42x = 63,060,997.91
  5. Step 5: Solve for x
    x = 63,060,997.91/8,151.42
  6. Step 6: Final answer
    x = 7,736.20

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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.