Home / 8,445.93-11,658.67-7,560.20

Finding the Fourth Proportional to 8,445.93, 11,658.67 and 7,560.20

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Solution

The fourth proportional to 8,445.93, 11,658.67 and 7,560.20 is: 10,436.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.93 : 11,658.67 = 7,560.20 : x
  2. Step 2: Convert to fraction form
    8,445.93/11,658.67 = 7,560.20/x
  3. Step 3: Cross multiply
    8,445.93x = 11,658.67 × 7,560.20
  4. Step 4: Simplify right side
    8,445.93x = 88,141,818.64
  5. Step 5: Solve for x
    x = 88,141,818.64/8,445.93
  6. Step 6: Final answer
    x = 10,436.01

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Half scale
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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.