Home / 8,742.24-12,066.48-5,908.32

Finding the Fourth Proportional to 8,742.24, 12,066.48 and 5,908.32

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Solution

The fourth proportional to 8,742.24, 12,066.48 and 5,908.32 is: 8,154.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742.24 : 12,066.48 = 5,908.32 : x
  2. Step 2: Convert to fraction form
    8,742.24/12,066.48 = 5,908.32/x
  3. Step 3: Cross multiply
    8,742.24x = 12,066.48 × 5,908.32
  4. Step 4: Simplify right side
    8,742.24x = 71,292,625.11
  5. Step 5: Solve for x
    x = 71,292,625.11/8,742.24
  6. Step 6: Final answer
    x = 8,154.96

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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.