Home / 8,548.88-11,798.28-5,191.76

Finding the Fourth Proportional to 8,548.88, 11,798.28 and 5,191.76

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Solution

The fourth proportional to 8,548.88, 11,798.28 and 5,191.76 is: 7,165.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.88 : 11,798.28 = 5,191.76 : x
  2. Step 2: Convert to fraction form
    8,548.88/11,798.28 = 5,191.76/x
  3. Step 3: Cross multiply
    8,548.88x = 11,798.28 × 5,191.76
  4. Step 4: Simplify right side
    8,548.88x = 61,253,838.17
  5. Step 5: Solve for x
    x = 61,253,838.17/8,548.88
  6. Step 6: Final answer
    x = 7,165.13

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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.