Home / 11,113.30-16,669.95-9,363.70

Finding the Fourth Proportional to 11,113.30, 16,669.95 and 9,363.70

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Solution

The fourth proportional to 11,113.30, 16,669.95 and 9,363.70 is: 14,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.30 : 16,669.95 = 9,363.70 : x
  2. Step 2: Convert to fraction form
    11,113.30/16,669.95 = 9,363.70/x
  3. Step 3: Cross multiply
    11,113.30x = 16,669.95 × 9,363.70
  4. Step 4: Simplify right side
    11,113.30x = 156,092,410.82
  5. Step 5: Solve for x
    x = 156,092,410.82/11,113.30
  6. Step 6: Final answer
    x = 14,045.55

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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.