Home / 10,568.15-14,550.85-8,971.49

Finding the Fourth Proportional to 10,568.15, 14,550.85 and 8,971.49

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Solution

The fourth proportional to 10,568.15, 14,550.85 and 8,971.49 is: 12,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,568.15 : 14,550.85 = 8,971.49 : x
  2. Step 2: Convert to fraction form
    10,568.15/14,550.85 = 8,971.49/x
  3. Step 3: Cross multiply
    10,568.15x = 14,550.85 × 8,971.49
  4. Step 4: Simplify right side
    10,568.15x = 130,542,804.09
  5. Step 5: Solve for x
    x = 130,542,804.09/10,568.15
  6. Step 6: Final answer
    x = 12,352.47

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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.