Home / 12,261.04-16,920.62-7,548.04

Finding the Fourth Proportional to 12,261.04, 16,920.62 and 7,548.04

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Solution

The fourth proportional to 12,261.04, 16,920.62 and 7,548.04 is: 10,416.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.04 : 16,920.62 = 7,548.04 : x
  2. Step 2: Convert to fraction form
    12,261.04/16,920.62 = 7,548.04/x
  3. Step 3: Cross multiply
    12,261.04x = 16,920.62 × 7,548.04
  4. Step 4: Simplify right side
    12,261.04x = 127,717,516.58
  5. Step 5: Solve for x
    x = 127,717,516.58/12,261.04
  6. Step 6: Final answer
    x = 10,416.53

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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.