Home / 12,079.70-16,670.17-7,298.98

Finding the Fourth Proportional to 12,079.70, 16,670.17 and 7,298.98

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Solution

The fourth proportional to 12,079.70, 16,670.17 and 7,298.98 is: 10,072.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.70 : 16,670.17 = 7,298.98 : x
  2. Step 2: Convert to fraction form
    12,079.70/16,670.17 = 7,298.98/x
  3. Step 3: Cross multiply
    12,079.70x = 16,670.17 × 7,298.98
  4. Step 4: Simplify right side
    12,079.70x = 121,675,204.87
  5. Step 5: Solve for x
    x = 121,675,204.87/12,079.70
  6. Step 6: Final answer
    x = 10,072.70

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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.