Home / 7,407.10-11,110.65-6,255.10

Finding the Fourth Proportional to 7,407.10, 11,110.65 and 6,255.10

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Solution

The fourth proportional to 7,407.10, 11,110.65 and 6,255.10 is: 9,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.10 : 11,110.65 = 6,255.10 : x
  2. Step 2: Convert to fraction form
    7,407.10/11,110.65 = 6,255.10/x
  3. Step 3: Cross multiply
    7,407.10x = 11,110.65 × 6,255.10
  4. Step 4: Simplify right side
    7,407.10x = 69,498,226.82
  5. Step 5: Solve for x
    x = 69,498,226.82/7,407.10
  6. Step 6: Final answer
    x = 9,382.65

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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.