Home / 12,475.04-17,215.12-7,436.66

Finding the Fourth Proportional to 12,475.04, 17,215.12 and 7,436.66

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Solution

The fourth proportional to 12,475.04, 17,215.12 and 7,436.66 is: 10,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.04 : 17,215.12 = 7,436.66 : x
  2. Step 2: Convert to fraction form
    12,475.04/17,215.12 = 7,436.66/x
  3. Step 3: Cross multiply
    12,475.04x = 17,215.12 × 7,436.66
  4. Step 4: Simplify right side
    12,475.04x = 128,022,994.30
  5. Step 5: Solve for x
    x = 128,022,994.30/12,475.04
  6. Step 6: Final answer
    x = 10,262.33

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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.