Home / 8,815.24-12,165.30-5,037.60

Finding the Fourth Proportional to 8,815.24, 12,165.30 and 5,037.60

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Solution

The fourth proportional to 8,815.24, 12,165.30 and 5,037.60 is: 6,952.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.24 : 12,165.30 = 5,037.60 : x
  2. Step 2: Convert to fraction form
    8,815.24/12,165.30 = 5,037.60/x
  3. Step 3: Cross multiply
    8,815.24x = 12,165.30 × 5,037.60
  4. Step 4: Simplify right side
    8,815.24x = 61,283,915.28
  5. Step 5: Solve for x
    x = 61,283,915.28/8,815.24
  6. Step 6: Final answer
    x = 6,952.04

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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.