Home / 9,699.76-14,549.35-2,680.20

Finding the Fourth Proportional to 9,699.76, 14,549.35 and 2,680.20

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Solution

The fourth proportional to 9,699.76, 14,549.35 and 2,680.20 is: 4,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699.76 : 14,549.35 = 2,680.20 : x
  2. Step 2: Convert to fraction form
    9,699.76/14,549.35 = 2,680.20/x
  3. Step 3: Cross multiply
    9,699.76x = 14,549.35 × 2,680.20
  4. Step 4: Simplify right side
    9,699.76x = 38,995,167.87
  5. Step 5: Solve for x
    x = 38,995,167.87/9,699.76
  6. Step 6: Final answer
    x = 4,020.22

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1.5x scale

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.