Home / 12,275.04-16,949.16-8,028.96

Finding the Fourth Proportional to 12,275.04, 16,949.16 and 8,028.96

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Solution

The fourth proportional to 12,275.04, 16,949.16 and 8,028.96 is: 11,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275.04 : 16,949.16 = 8,028.96 : x
  2. Step 2: Convert to fraction form
    12,275.04/16,949.16 = 8,028.96/x
  3. Step 3: Cross multiply
    12,275.04x = 16,949.16 × 8,028.96
  4. Step 4: Simplify right side
    12,275.04x = 136,084,127.67
  5. Step 5: Solve for x
    x = 136,084,127.67/12,275.04
  6. Step 6: Final answer
    x = 11,086.25

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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.