Home / 8,772.48-13,181.40-6,595.20

Finding the Fourth Proportional to 8,772.48, 13,181.40 and 6,595.20

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Solution

The fourth proportional to 8,772.48, 13,181.40 and 6,595.20 is: 9,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.48 : 13,181.40 = 6,595.20 : x
  2. Step 2: Convert to fraction form
    8,772.48/13,181.40 = 6,595.20/x
  3. Step 3: Cross multiply
    8,772.48x = 13,181.40 × 6,595.20
  4. Step 4: Simplify right side
    8,772.48x = 86,933,969.28
  5. Step 5: Solve for x
    x = 86,933,969.28/8,772.48
  6. Step 6: Final answer
    x = 9,909.85

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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.