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Finding the Fourth Proportional to 10,697.52, 14,763.51 and 6,221.01

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Solution

The fourth proportional to 10,697.52, 14,763.51 and 6,221.01 is: 8,585.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,697.52 : 14,763.51 = 6,221.01 : x
  2. Step 2: Convert to fraction form
    10,697.52/14,763.51 = 6,221.01/x
  3. Step 3: Cross multiply
    10,697.52x = 14,763.51 × 6,221.01
  4. Step 4: Simplify right side
    10,697.52x = 91,843,943.35
  5. Step 5: Solve for x
    x = 91,843,943.35/10,697.52
  6. Step 6: Final answer
    x = 8,585.54

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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.