Home / 7,909.20-11,848.56-4,435.92

Finding the Fourth Proportional to 7,909.20, 11,848.56 and 4,435.92

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Solution

The fourth proportional to 7,909.20, 11,848.56 and 4,435.92 is: 6,645.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,909.20 : 11,848.56 = 4,435.92 : x
  2. Step 2: Convert to fraction form
    7,909.20/11,848.56 = 4,435.92/x
  3. Step 3: Cross multiply
    7,909.20x = 11,848.56 × 4,435.92
  4. Step 4: Simplify right side
    7,909.20x = 52,559,264.28
  5. Step 5: Solve for x
    x = 52,559,264.28/7,909.20
  6. Step 6: Final answer
    x = 6,645.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.