Home / 9,883.18-13,630.66-7,049.64

Finding the Fourth Proportional to 9,883.18, 13,630.66 and 7,049.64

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Solution

The fourth proportional to 9,883.18, 13,630.66 and 7,049.64 is: 9,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,883.18 : 13,630.66 = 7,049.64 : x
  2. Step 2: Convert to fraction form
    9,883.18/13,630.66 = 7,049.64/x
  3. Step 3: Cross multiply
    9,883.18x = 13,630.66 × 7,049.64
  4. Step 4: Simplify right side
    9,883.18x = 96,091,319.11
  5. Step 5: Solve for x
    x = 96,091,319.11/9,883.18
  6. Step 6: Final answer
    x = 9,722.72

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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.