Home / 7,648.43-11,472.98-2,102.32

Finding the Fourth Proportional to 7,648.43, 11,472.98 and 2,102.32

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Solution

The fourth proportional to 7,648.43, 11,472.98 and 2,102.32 is: 3,153.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.43 : 11,472.98 = 2,102.32 : x
  2. Step 2: Convert to fraction form
    7,648.43/11,472.98 = 2,102.32/x
  3. Step 3: Cross multiply
    7,648.43x = 11,472.98 × 2,102.32
  4. Step 4: Simplify right side
    7,648.43x = 24,119,875.31
  5. Step 5: Solve for x
    x = 24,119,875.31/7,648.43
  6. Step 6: Final answer
    x = 3,153.57

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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.