Home / 11,050.88-15,245.12-7,070.08

Finding the Fourth Proportional to 11,050.88, 15,245.12 and 7,070.08

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Solution

The fourth proportional to 11,050.88, 15,245.12 and 7,070.08 is: 9,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,050.88 : 15,245.12 = 7,070.08 : x
  2. Step 2: Convert to fraction form
    11,050.88/15,245.12 = 7,070.08/x
  3. Step 3: Cross multiply
    11,050.88x = 15,245.12 × 7,070.08
  4. Step 4: Simplify right side
    11,050.88x = 107,784,218.01
  5. Step 5: Solve for x
    x = 107,784,218.01/11,050.88
  6. Step 6: Final answer
    x = 9,753.45

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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.