Home / 7,407.86-11,057.72-6,473.66

Finding the Fourth Proportional to 7,407.86, 11,057.72 and 6,473.66

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Solution

The fourth proportional to 7,407.86, 11,057.72 and 6,473.66 is: 9,663.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.86 : 11,057.72 = 6,473.66 : x
  2. Step 2: Convert to fraction form
    7,407.86/11,057.72 = 6,473.66/x
  3. Step 3: Cross multiply
    7,407.86x = 11,057.72 × 6,473.66
  4. Step 4: Simplify right side
    7,407.86x = 71,583,919.66
  5. Step 5: Solve for x
    x = 71,583,919.66/7,407.86
  6. Step 6: Final answer
    x = 9,663.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.