Home / 11,519.08-15,895.92-7,050.28

Finding the Fourth Proportional to 11,519.08, 15,895.92 and 7,050.28

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Solution

The fourth proportional to 11,519.08, 15,895.92 and 7,050.28 is: 9,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,519.08 : 15,895.92 = 7,050.28 : x
  2. Step 2: Convert to fraction form
    11,519.08/15,895.92 = 7,050.28/x
  3. Step 3: Cross multiply
    11,519.08x = 15,895.92 × 7,050.28
  4. Step 4: Simplify right side
    11,519.08x = 112,070,686.86
  5. Step 5: Solve for x
    x = 112,070,686.86/11,519.08
  6. Step 6: Final answer
    x = 9,729.14

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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.