Home / 11,029.12-15,218.52-6,312.52

Finding the Fourth Proportional to 11,029.12, 15,218.52 and 6,312.52

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Solution

The fourth proportional to 11,029.12, 15,218.52 and 6,312.52 is: 8,710.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,029.12 : 15,218.52 = 6,312.52 : x
  2. Step 2: Convert to fraction form
    11,029.12/15,218.52 = 6,312.52/x
  3. Step 3: Cross multiply
    11,029.12x = 15,218.52 × 6,312.52
  4. Step 4: Simplify right side
    11,029.12x = 96,067,211.87
  5. Step 5: Solve for x
    x = 96,067,211.87/11,029.12
  6. Step 6: Final answer
    x = 8,710.32

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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.