Home / 10,927.88-15,080.33-6,147.81

Finding the Fourth Proportional to 10,927.88, 15,080.33 and 6,147.81

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Solution

The fourth proportional to 10,927.88, 15,080.33 and 6,147.81 is: 8,483.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.88 : 15,080.33 = 6,147.81 : x
  2. Step 2: Convert to fraction form
    10,927.88/15,080.33 = 6,147.81/x
  3. Step 3: Cross multiply
    10,927.88x = 15,080.33 × 6,147.81
  4. Step 4: Simplify right side
    10,927.88x = 92,710,897.44
  5. Step 5: Solve for x
    x = 92,710,897.44/10,927.88
  6. Step 6: Final answer
    x = 8,483.89

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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.