Home / 7,927.32-11,821.20-7,373.28

Finding the Fourth Proportional to 7,927.32, 11,821.20 and 7,373.28

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Solution

The fourth proportional to 7,927.32, 11,821.20 and 7,373.28 is: 10,995.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.32 : 11,821.20 = 7,373.28 : x
  2. Step 2: Convert to fraction form
    7,927.32/11,821.20 = 7,373.28/x
  3. Step 3: Cross multiply
    7,927.32x = 11,821.20 × 7,373.28
  4. Step 4: Simplify right side
    7,927.32x = 87,161,017.54
  5. Step 5: Solve for x
    x = 87,161,017.54/7,927.32
  6. Step 6: Final answer
    x = 10,995.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.