Home / 8,058.78-11,120.40-4,701.89

Finding the Fourth Proportional to 8,058.78, 11,120.40 and 4,701.89

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Solution

The fourth proportional to 8,058.78, 11,120.40 and 4,701.89 is: 6,488.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.78 : 11,120.40 = 4,701.89 : x
  2. Step 2: Convert to fraction form
    8,058.78/11,120.40 = 4,701.89/x
  3. Step 3: Cross multiply
    8,058.78x = 11,120.40 × 4,701.89
  4. Step 4: Simplify right side
    8,058.78x = 52,286,841.95
  5. Step 5: Solve for x
    x = 52,286,841.95/8,058.78
  6. Step 6: Final answer
    x = 6,488.18

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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.