Home / 11,305.68-16,955.28-6,925.20

Finding the Fourth Proportional to 11,305.68, 16,955.28 and 6,925.20

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Solution

The fourth proportional to 11,305.68, 16,955.28 and 6,925.20 is: 10,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.68 : 16,955.28 = 6,925.20 : x
  2. Step 2: Convert to fraction form
    11,305.68/16,955.28 = 6,925.20/x
  3. Step 3: Cross multiply
    11,305.68x = 16,955.28 × 6,925.20
  4. Step 4: Simplify right side
    11,305.68x = 117,418,705.06
  5. Step 5: Solve for x
    x = 117,418,705.06/11,305.68
  6. Step 6: Final answer
    x = 10,385.82

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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.