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Finding the Fourth Proportional to 8,656.76, 11,943.53 and 5,296.07

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Solution

The fourth proportional to 8,656.76, 11,943.53 and 5,296.07 is: 7,306.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.76 : 11,943.53 = 5,296.07 : x
  2. Step 2: Convert to fraction form
    8,656.76/11,943.53 = 5,296.07/x
  3. Step 3: Cross multiply
    8,656.76x = 11,943.53 × 5,296.07
  4. Step 4: Simplify right side
    8,656.76x = 63,253,762.48
  5. Step 5: Solve for x
    x = 63,253,762.48/8,656.76
  6. Step 6: Final answer
    x = 7,306.86

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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.