Home / 8,291.32-11,442.78-4,565.56

Finding the Fourth Proportional to 8,291.32, 11,442.78 and 4,565.56

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Solution

The fourth proportional to 8,291.32, 11,442.78 and 4,565.56 is: 6,300.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.32 : 11,442.78 = 4,565.56 : x
  2. Step 2: Convert to fraction form
    8,291.32/11,442.78 = 4,565.56/x
  3. Step 3: Cross multiply
    8,291.32x = 11,442.78 × 4,565.56
  4. Step 4: Simplify right side
    8,291.32x = 52,242,698.66
  5. Step 5: Solve for x
    x = 52,242,698.66/8,291.32
  6. Step 6: Final answer
    x = 6,300.89

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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.