Home / 8,813.79-12,162.56-5,037.30

Finding the Fourth Proportional to 8,813.79, 12,162.56 and 5,037.30

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Solution

The fourth proportional to 8,813.79, 12,162.56 and 5,037.30 is: 6,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.79 : 12,162.56 = 5,037.30 : x
  2. Step 2: Convert to fraction form
    8,813.79/12,162.56 = 5,037.30/x
  3. Step 3: Cross multiply
    8,813.79x = 12,162.56 × 5,037.30
  4. Step 4: Simplify right side
    8,813.79x = 61,266,438.30
  5. Step 5: Solve for x
    x = 61,266,438.30/8,813.79
  6. Step 6: Final answer
    x = 6,951.20

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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.