Home / 11,102.12-15,240.70-9,527.48

Finding the Fourth Proportional to 11,102.12, 15,240.70 and 9,527.48

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Solution

The fourth proportional to 11,102.12, 15,240.70 and 9,527.48 is: 13,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.12 : 15,240.70 = 9,527.48 : x
  2. Step 2: Convert to fraction form
    11,102.12/15,240.70 = 9,527.48/x
  3. Step 3: Cross multiply
    11,102.12x = 15,240.70 × 9,527.48
  4. Step 4: Simplify right side
    11,102.12x = 145,205,464.44
  5. Step 5: Solve for x
    x = 145,205,464.44/11,102.12
  6. Step 6: Final answer
    x = 13,079.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.