Home / 11,155.47-16,710.90-6,710.69

Finding the Fourth Proportional to 11,155.47, 16,710.90 and 6,710.69

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Solution

The fourth proportional to 11,155.47, 16,710.90 and 6,710.69 is: 10,052.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.47 : 16,710.90 = 6,710.69 : x
  2. Step 2: Convert to fraction form
    11,155.47/16,710.90 = 6,710.69/x
  3. Step 3: Cross multiply
    11,155.47x = 16,710.90 × 6,710.69
  4. Step 4: Simplify right side
    11,155.47x = 112,141,552.41
  5. Step 5: Solve for x
    x = 112,141,552.41/11,155.47
  6. Step 6: Final answer
    x = 10,052.61

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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.