Home / 8,157.48-12,232.02-5,816.28

Finding the Fourth Proportional to 8,157.48, 12,232.02 and 5,816.28

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Solution

The fourth proportional to 8,157.48, 12,232.02 and 5,816.28 is: 8,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.48 : 12,232.02 = 5,816.28 : x
  2. Step 2: Convert to fraction form
    8,157.48/12,232.02 = 5,816.28/x
  3. Step 3: Cross multiply
    8,157.48x = 12,232.02 × 5,816.28
  4. Step 4: Simplify right side
    8,157.48x = 71,144,853.29
  5. Step 5: Solve for x
    x = 71,144,853.29/8,157.48
  6. Step 6: Final answer
    x = 8,721.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.