Home / 12,009.13-16,572.58-6,703.95

Finding the Fourth Proportional to 12,009.13, 16,572.58 and 6,703.95

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Solution

The fourth proportional to 12,009.13, 16,572.58 and 6,703.95 is: 9,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.13 : 16,572.58 = 6,703.95 : x
  2. Step 2: Convert to fraction form
    12,009.13/16,572.58 = 6,703.95/x
  3. Step 3: Cross multiply
    12,009.13x = 16,572.58 × 6,703.95
  4. Step 4: Simplify right side
    12,009.13x = 111,101,747.69
  5. Step 5: Solve for x
    x = 111,101,747.69/12,009.13
  6. Step 6: Final answer
    x = 9,251.44

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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.