Home / 8,848.73-12,207.15-5,305.79

Finding the Fourth Proportional to 8,848.73, 12,207.15 and 5,305.79

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Solution

The fourth proportional to 8,848.73, 12,207.15 and 5,305.79 is: 7,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.73 : 12,207.15 = 5,305.79 : x
  2. Step 2: Convert to fraction form
    8,848.73/12,207.15 = 5,305.79/x
  3. Step 3: Cross multiply
    8,848.73x = 12,207.15 × 5,305.79
  4. Step 4: Simplify right side
    8,848.73x = 64,768,513.36
  5. Step 5: Solve for x
    x = 64,768,513.36/8,848.73
  6. Step 6: Final answer
    x = 7,319.53

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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.