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Finding the Fourth Proportional to 11,235.80, 15,506 and 6,760.96

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Solution

The fourth proportional to 11,235.80, 15,506 and 6,760.96 is: 9,330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,235.80 : 15,506 = 6,760.96 : x
  2. Step 2: Convert to fraction form
    11,235.80/15,506 = 6,760.96/x
  3. Step 3: Cross multiply
    11,235.80x = 15,506 × 6,760.96
  4. Step 4: Simplify right side
    11,235.80x = 104,835,445.76
  5. Step 5: Solve for x
    x = 104,835,445.76/11,235.80
  6. Step 6: Final answer
    x = 9,330.48

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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.