Home / 8,153.64-11,240.88-5,601.32

Finding the Fourth Proportional to 8,153.64, 11,240.88 and 5,601.32

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Solution

The fourth proportional to 8,153.64, 11,240.88 and 5,601.32 is: 7,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.64 : 11,240.88 = 5,601.32 : x
  2. Step 2: Convert to fraction form
    8,153.64/11,240.88 = 5,601.32/x
  3. Step 3: Cross multiply
    8,153.64x = 11,240.88 × 5,601.32
  4. Step 4: Simplify right side
    8,153.64x = 62,963,765.96
  5. Step 5: Solve for x
    x = 62,963,765.96/8,153.64
  6. Step 6: Final answer
    x = 7,722.17

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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.