Home / 9,681.16-14,521.40-2,755.64

Finding the Fourth Proportional to 9,681.16, 14,521.40 and 2,755.64

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Solution

The fourth proportional to 9,681.16, 14,521.40 and 2,755.64 is: 4,133.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681.16 : 14,521.40 = 2,755.64 : x
  2. Step 2: Convert to fraction form
    9,681.16/14,521.40 = 2,755.64/x
  3. Step 3: Cross multiply
    9,681.16x = 14,521.40 × 2,755.64
  4. Step 4: Simplify right side
    9,681.16x = 40,015,750.70
  5. Step 5: Solve for x
    x = 40,015,750.70/9,681.16
  6. Step 6: Final answer
    x = 4,133.36

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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.