Home / 11,946.18-16,488.45-7,747.14

Finding the Fourth Proportional to 11,946.18, 16,488.45 and 7,747.14

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Solution

The fourth proportional to 11,946.18, 16,488.45 and 7,747.14 is: 10,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,946.18 : 16,488.45 = 7,747.14 : x
  2. Step 2: Convert to fraction form
    11,946.18/16,488.45 = 7,747.14/x
  3. Step 3: Cross multiply
    11,946.18x = 16,488.45 × 7,747.14
  4. Step 4: Simplify right side
    11,946.18x = 127,738,330.53
  5. Step 5: Solve for x
    x = 127,738,330.53/11,946.18
  6. Step 6: Final answer
    x = 10,692.82

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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.