Home / 12,355.17-17,050.14-6,689.92

Finding the Fourth Proportional to 12,355.17, 17,050.14 and 6,689.92

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Solution

The fourth proportional to 12,355.17, 17,050.14 and 6,689.92 is: 9,232.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355.17 : 17,050.14 = 6,689.92 : x
  2. Step 2: Convert to fraction form
    12,355.17/17,050.14 = 6,689.92/x
  3. Step 3: Cross multiply
    12,355.17x = 17,050.14 × 6,689.92
  4. Step 4: Simplify right side
    12,355.17x = 114,064,029.96
  5. Step 5: Solve for x
    x = 114,064,029.96/12,355.17
  6. Step 6: Final answer
    x = 9,232.09

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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.