Home / 12,069.84-16,650.45-7,345.92

Finding the Fourth Proportional to 12,069.84, 16,650.45 and 7,345.92

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Solution

The fourth proportional to 12,069.84, 16,650.45 and 7,345.92 is: 10,133.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.84 : 16,650.45 = 7,345.92 : x
  2. Step 2: Convert to fraction form
    12,069.84/16,650.45 = 7,345.92/x
  3. Step 3: Cross multiply
    12,069.84x = 16,650.45 × 7,345.92
  4. Step 4: Simplify right side
    12,069.84x = 122,312,873.66
  5. Step 5: Solve for x
    x = 122,312,873.66/12,069.84
  6. Step 6: Final answer
    x = 10,133.76

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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.