Home / 10,707.20-14,775.45-5,927.32

Finding the Fourth Proportional to 10,707.20, 14,775.45 and 5,927.32

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Solution

The fourth proportional to 10,707.20, 14,775.45 and 5,927.32 is: 8,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.20 : 14,775.45 = 5,927.32 : x
  2. Step 2: Convert to fraction form
    10,707.20/14,775.45 = 5,927.32/x
  3. Step 3: Cross multiply
    10,707.20x = 14,775.45 × 5,927.32
  4. Step 4: Simplify right side
    10,707.20x = 87,578,790.66
  5. Step 5: Solve for x
    x = 87,578,790.66/10,707.20
  6. Step 6: Final answer
    x = 8,179.43

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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.