Home / 8,612.24-11,886.76-5,074.16

Finding the Fourth Proportional to 8,612.24, 11,886.76 and 5,074.16

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Solution

The fourth proportional to 8,612.24, 11,886.76 and 5,074.16 is: 7,003.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612.24 : 11,886.76 = 5,074.16 : x
  2. Step 2: Convert to fraction form
    8,612.24/11,886.76 = 5,074.16/x
  3. Step 3: Cross multiply
    8,612.24x = 11,886.76 × 5,074.16
  4. Step 4: Simplify right side
    8,612.24x = 60,315,322.12
  5. Step 5: Solve for x
    x = 60,315,322.12/8,612.24
  6. Step 6: Final answer
    x = 7,003.44

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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.