Home / 8,114.61-11,192.39-5,276.74

Finding the Fourth Proportional to 8,114.61, 11,192.39 and 5,276.74

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Solution

The fourth proportional to 8,114.61, 11,192.39 and 5,276.74 is: 7,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.61 : 11,192.39 = 5,276.74 : x
  2. Step 2: Convert to fraction form
    8,114.61/11,192.39 = 5,276.74/x
  3. Step 3: Cross multiply
    8,114.61x = 11,192.39 × 5,276.74
  4. Step 4: Simplify right side
    8,114.61x = 59,059,332.01
  5. Step 5: Solve for x
    x = 59,059,332.01/8,114.61
  6. Step 6: Final answer
    x = 7,278.15

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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.