Home / 9,701.60-14,542.80-4,767.20

Finding the Fourth Proportional to 9,701.60, 14,542.80 and 4,767.20

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Solution

The fourth proportional to 9,701.60, 14,542.80 and 4,767.20 is: 7,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,701.60 : 14,542.80 = 4,767.20 : x
  2. Step 2: Convert to fraction form
    9,701.60/14,542.80 = 4,767.20/x
  3. Step 3: Cross multiply
    9,701.60x = 14,542.80 × 4,767.20
  4. Step 4: Simplify right side
    9,701.60x = 69,328,436.16
  5. Step 5: Solve for x
    x = 69,328,436.16/9,701.60
  6. Step 6: Final answer
    x = 7,146.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.