Home / 8,818.16-12,169.38-5,041.32

Finding the Fourth Proportional to 8,818.16, 12,169.38 and 5,041.32

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Solution

The fourth proportional to 8,818.16, 12,169.38 and 5,041.32 is: 6,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.16 : 12,169.38 = 5,041.32 : x
  2. Step 2: Convert to fraction form
    8,818.16/12,169.38 = 5,041.32/x
  3. Step 3: Cross multiply
    8,818.16x = 12,169.38 × 5,041.32
  4. Step 4: Simplify right side
    8,818.16x = 61,349,738.78
  5. Step 5: Solve for x
    x = 61,349,738.78/8,818.16
  6. Step 6: Final answer
    x = 6,957.21

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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.