Home / 9,855.11-14,788.35-5,472.20

Finding the Fourth Proportional to 9,855.11, 14,788.35 and 5,472.20

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Solution

The fourth proportional to 9,855.11, 14,788.35 and 5,472.20 is: 8,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.11 : 14,788.35 = 5,472.20 : x
  2. Step 2: Convert to fraction form
    9,855.11/14,788.35 = 5,472.20/x
  3. Step 3: Cross multiply
    9,855.11x = 14,788.35 × 5,472.20
  4. Step 4: Simplify right side
    9,855.11x = 80,924,866.36
  5. Step 5: Solve for x
    x = 80,924,866.36/9,855.11
  6. Step 6: Final answer
    x = 8,211.46

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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.