Home / 8,024.16-11,077.92-5,380.32

Finding the Fourth Proportional to 8,024.16, 11,077.92 and 5,380.32

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Solution

The fourth proportional to 8,024.16, 11,077.92 and 5,380.32 is: 7,427.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,024.16 : 11,077.92 = 5,380.32 : x
  2. Step 2: Convert to fraction form
    8,024.16/11,077.92 = 5,380.32/x
  3. Step 3: Cross multiply
    8,024.16x = 11,077.92 × 5,380.32
  4. Step 4: Simplify right side
    8,024.16x = 59,602,754.53
  5. Step 5: Solve for x
    x = 59,602,754.53/8,024.16
  6. Step 6: Final answer
    x = 7,427.91

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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.