Home / 11,111.12-15,340-6,925.04

Finding the Fourth Proportional to 11,111.12, 15,340 and 6,925.04

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Solution

The fourth proportional to 11,111.12, 15,340 and 6,925.04 is: 9,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.12 : 15,340 = 6,925.04 : x
  2. Step 2: Convert to fraction form
    11,111.12/15,340 = 6,925.04/x
  3. Step 3: Cross multiply
    11,111.12x = 15,340 × 6,925.04
  4. Step 4: Simplify right side
    11,111.12x = 106,230,113.60
  5. Step 5: Solve for x
    x = 106,230,113.60/11,111.12
  6. Step 6: Final answer
    x = 9,560.70

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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.