Home / 12,040.81-16,617.17-7,006.53

Finding the Fourth Proportional to 12,040.81, 16,617.17 and 7,006.53

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Solution

The fourth proportional to 12,040.81, 16,617.17 and 7,006.53 is: 9,669.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.81 : 16,617.17 = 7,006.53 : x
  2. Step 2: Convert to fraction form
    12,040.81/16,617.17 = 7,006.53/x
  3. Step 3: Cross multiply
    12,040.81x = 16,617.17 × 7,006.53
  4. Step 4: Simplify right side
    12,040.81x = 116,428,700.12
  5. Step 5: Solve for x
    x = 116,428,700.12/12,040.81
  6. Step 6: Final answer
    x = 9,669.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.