Home / 8,535.24-11,787.90-5,393.28

Finding the Fourth Proportional to 8,535.24, 11,787.90 and 5,393.28

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Solution

The fourth proportional to 8,535.24, 11,787.90 and 5,393.28 is: 7,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.24 : 11,787.90 = 5,393.28 : x
  2. Step 2: Convert to fraction form
    8,535.24/11,787.90 = 5,393.28/x
  3. Step 3: Cross multiply
    8,535.24x = 11,787.90 × 5,393.28
  4. Step 4: Simplify right side
    8,535.24x = 63,575,445.31
  5. Step 5: Solve for x
    x = 63,575,445.31/8,535.24
  6. Step 6: Final answer
    x = 7,448.58

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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.