Home / 10,548.66-15,822.95-3,153.11

Finding the Fourth Proportional to 10,548.66, 15,822.95 and 3,153.11

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Solution

The fourth proportional to 10,548.66, 15,822.95 and 3,153.11 is: 4,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,548.66 : 15,822.95 = 3,153.11 : x
  2. Step 2: Convert to fraction form
    10,548.66/15,822.95 = 3,153.11/x
  3. Step 3: Cross multiply
    10,548.66x = 15,822.95 × 3,153.11
  4. Step 4: Simplify right side
    10,548.66x = 49,891,406.99
  5. Step 5: Solve for x
    x = 49,891,406.99/10,548.66
  6. Step 6: Final answer
    x = 4,729.64

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Similar ratio
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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.