Home / 8,453.15-12,663.58-4,744.13

Finding the Fourth Proportional to 8,453.15, 12,663.58 and 4,744.13

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Solution

The fourth proportional to 8,453.15, 12,663.58 and 4,744.13 is: 7,107.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.15 : 12,663.58 = 4,744.13 : x
  2. Step 2: Convert to fraction form
    8,453.15/12,663.58 = 4,744.13/x
  3. Step 3: Cross multiply
    8,453.15x = 12,663.58 × 4,744.13
  4. Step 4: Simplify right side
    8,453.15x = 60,077,669.79
  5. Step 5: Solve for x
    x = 60,077,669.79/8,453.15
  6. Step 6: Final answer
    x = 7,107.13

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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.