Home / 8,445.04-11,654.18-4,908.92

Finding the Fourth Proportional to 8,445.04, 11,654.18 and 4,908.92

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Solution

The fourth proportional to 8,445.04, 11,654.18 and 4,908.92 is: 6,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.04 : 11,654.18 = 4,908.92 : x
  2. Step 2: Convert to fraction form
    8,445.04/11,654.18 = 4,908.92/x
  3. Step 3: Cross multiply
    8,445.04x = 11,654.18 × 4,908.92
  4. Step 4: Simplify right side
    8,445.04x = 57,209,437.29
  5. Step 5: Solve for x
    x = 57,209,437.29/8,445.04
  6. Step 6: Final answer
    x = 6,774.32

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Half scale
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Double 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.