Home / 9,339.18-12,883.14-5,559.66

Finding the Fourth Proportional to 9,339.18, 12,883.14 and 5,559.66

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Solution

The fourth proportional to 9,339.18, 12,883.14 and 5,559.66 is: 7,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339.18 : 12,883.14 = 5,559.66 : x
  2. Step 2: Convert to fraction form
    9,339.18/12,883.14 = 5,559.66/x
  3. Step 3: Cross multiply
    9,339.18x = 12,883.14 × 5,559.66
  4. Step 4: Simplify right side
    9,339.18x = 71,625,878.13
  5. Step 5: Solve for x
    x = 71,625,878.13/9,339.18
  6. Step 6: Final answer
    x = 7,669.40

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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.