Home / 9,262.34-12,781.29-5,283.20

Finding the Fourth Proportional to 9,262.34, 12,781.29 and 5,283.20

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Solution

The fourth proportional to 9,262.34, 12,781.29 and 5,283.20 is: 7,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,262.34 : 12,781.29 = 5,283.20 : x
  2. Step 2: Convert to fraction form
    9,262.34/12,781.29 = 5,283.20/x
  3. Step 3: Cross multiply
    9,262.34x = 12,781.29 × 5,283.20
  4. Step 4: Simplify right side
    9,262.34x = 67,526,047.42
  5. Step 5: Solve for x
    x = 67,526,047.42/9,262.34
  6. Step 6: Final answer
    x = 7,290.39

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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.