Home / 12,101.18-16,697.49-7,386.98

Finding the Fourth Proportional to 12,101.18, 16,697.49 and 7,386.98

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Solution

The fourth proportional to 12,101.18, 16,697.49 and 7,386.98 is: 10,192.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101.18 : 16,697.49 = 7,386.98 : x
  2. Step 2: Convert to fraction form
    12,101.18/16,697.49 = 7,386.98/x
  3. Step 3: Cross multiply
    12,101.18x = 16,697.49 × 7,386.98
  4. Step 4: Simplify right side
    12,101.18x = 123,344,024.68
  5. Step 5: Solve for x
    x = 123,344,024.68/12,101.18
  6. Step 6: Final answer
    x = 10,192.73

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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.