Home / 11,031.61-15,223.25-6,314.98

Finding the Fourth Proportional to 11,031.61, 15,223.25 and 6,314.98

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Solution

The fourth proportional to 11,031.61, 15,223.25 and 6,314.98 is: 8,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.61 : 15,223.25 = 6,314.98 : x
  2. Step 2: Convert to fraction form
    11,031.61/15,223.25 = 6,314.98/x
  3. Step 3: Cross multiply
    11,031.61x = 15,223.25 × 6,314.98
  4. Step 4: Simplify right side
    11,031.61x = 96,134,519.29
  5. Step 5: Solve for x
    x = 96,134,519.29/11,031.61
  6. Step 6: Final answer
    x = 8,714.46

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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.