Home / 8,976.18-13,445.76-5,267.16

Finding the Fourth Proportional to 8,976.18, 13,445.76 and 5,267.16

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Solution

The fourth proportional to 8,976.18, 13,445.76 and 5,267.16 is: 7,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.18 : 13,445.76 = 5,267.16 : x
  2. Step 2: Convert to fraction form
    8,976.18/13,445.76 = 5,267.16/x
  3. Step 3: Cross multiply
    8,976.18x = 13,445.76 × 5,267.16
  4. Step 4: Simplify right side
    8,976.18x = 70,820,969.24
  5. Step 5: Solve for x
    x = 70,820,969.24/8,976.18
  6. Step 6: Final answer
    x = 7,889.88

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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.