Home / 11,045.80-15,236.28-6,854.02

Finding the Fourth Proportional to 11,045.80, 15,236.28 and 6,854.02

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Solution

The fourth proportional to 11,045.80, 15,236.28 and 6,854.02 is: 9,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.80 : 15,236.28 = 6,854.02 : x
  2. Step 2: Convert to fraction form
    11,045.80/15,236.28 = 6,854.02/x
  3. Step 3: Cross multiply
    11,045.80x = 15,236.28 × 6,854.02
  4. Step 4: Simplify right side
    11,045.80x = 104,429,767.85
  5. Step 5: Solve for x
    x = 104,429,767.85/11,045.80
  6. Step 6: Final answer
    x = 9,454.25

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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.