Home / 7,023.15-9,677.16-4,781.07

Finding the Fourth Proportional to 7,023.15, 9,677.16 and 4,781.07

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Solution

The fourth proportional to 7,023.15, 9,677.16 and 4,781.07 is: 6,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.15 : 9,677.16 = 4,781.07 : x
  2. Step 2: Convert to fraction form
    7,023.15/9,677.16 = 4,781.07/x
  3. Step 3: Cross multiply
    7,023.15x = 9,677.16 × 4,781.07
  4. Step 4: Simplify right side
    7,023.15x = 46,267,179.36
  5. Step 5: Solve for x
    x = 46,267,179.36/7,023.15
  6. Step 6: Final answer
    x = 6,587.81

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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.