Home / 11,001.30-15,181.77-6,527.22

Finding the Fourth Proportional to 11,001.30, 15,181.77 and 6,527.22

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Solution

The fourth proportional to 11,001.30, 15,181.77 and 6,527.22 is: 9,007.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.30 : 15,181.77 = 6,527.22 : x
  2. Step 2: Convert to fraction form
    11,001.30/15,181.77 = 6,527.22/x
  3. Step 3: Cross multiply
    11,001.30x = 15,181.77 × 6,527.22
  4. Step 4: Simplify right side
    11,001.30x = 99,094,752.78
  5. Step 5: Solve for x
    x = 99,094,752.78/11,001.30
  6. Step 6: Final answer
    x = 9,007.55

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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.