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Finding the Fourth Proportional to 11,347.52, 15,657.26 and 6,630.89

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Solution

The fourth proportional to 11,347.52, 15,657.26 and 6,630.89 is: 9,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.52 : 15,657.26 = 6,630.89 : x
  2. Step 2: Convert to fraction form
    11,347.52/15,657.26 = 6,630.89/x
  3. Step 3: Cross multiply
    11,347.52x = 15,657.26 × 6,630.89
  4. Step 4: Simplify right side
    11,347.52x = 103,821,457.32
  5. Step 5: Solve for x
    x = 103,821,457.32/11,347.52
  6. Step 6: Final answer
    x = 9,149.27

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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.