Home / 8,117.86-11,202.73-4,762.66

Finding the Fourth Proportional to 8,117.86, 11,202.73 and 4,762.66

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Solution

The fourth proportional to 8,117.86, 11,202.73 and 4,762.66 is: 6,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.86 : 11,202.73 = 4,762.66 : x
  2. Step 2: Convert to fraction form
    8,117.86/11,202.73 = 4,762.66/x
  3. Step 3: Cross multiply
    8,117.86x = 11,202.73 × 4,762.66
  4. Step 4: Simplify right side
    8,117.86x = 53,354,794.06
  5. Step 5: Solve for x
    x = 53,354,794.06/8,117.86
  6. Step 6: Final answer
    x = 6,572.52

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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.