Home / 8,966.76-13,455.62-5,276.20

Finding the Fourth Proportional to 8,966.76, 13,455.62 and 5,276.20

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Solution

The fourth proportional to 8,966.76, 13,455.62 and 5,276.20 is: 7,917.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.76 : 13,455.62 = 5,276.20 : x
  2. Step 2: Convert to fraction form
    8,966.76/13,455.62 = 5,276.20/x
  3. Step 3: Cross multiply
    8,966.76x = 13,455.62 × 5,276.20
  4. Step 4: Simplify right side
    8,966.76x = 70,994,542.24
  5. Step 5: Solve for x
    x = 70,994,542.24/8,966.76
  6. Step 6: Final answer
    x = 7,917.52

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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.