Home / 7,648.49-11,472.12-2,383.35

Finding the Fourth Proportional to 7,648.49, 11,472.12 and 2,383.35

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Solution

The fourth proportional to 7,648.49, 11,472.12 and 2,383.35 is: 3,574.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.49 : 11,472.12 = 2,383.35 : x
  2. Step 2: Convert to fraction form
    7,648.49/11,472.12 = 2,383.35/x
  3. Step 3: Cross multiply
    7,648.49x = 11,472.12 × 2,383.35
  4. Step 4: Simplify right side
    7,648.49x = 27,342,077.20
  5. Step 5: Solve for x
    x = 27,342,077.20/7,648.49
  6. Step 6: Final answer
    x = 3,574.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.