Home / 11,135.15-16,681.10-9,952.14

Finding the Fourth Proportional to 11,135.15, 16,681.10 and 9,952.14

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Solution

The fourth proportional to 11,135.15, 16,681.10 and 9,952.14 is: 14,908.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.15 : 16,681.10 = 9,952.14 : x
  2. Step 2: Convert to fraction form
    11,135.15/16,681.10 = 9,952.14/x
  3. Step 3: Cross multiply
    11,135.15x = 16,681.10 × 9,952.14
  4. Step 4: Simplify right side
    11,135.15x = 166,012,642.55
  5. Step 5: Solve for x
    x = 166,012,642.55/11,135.15
  6. Step 6: Final answer
    x = 14,908.88

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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.