Home / 9,703.56-14,555.49-2,778.06

Finding the Fourth Proportional to 9,703.56, 14,555.49 and 2,778.06

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Solution

The fourth proportional to 9,703.56, 14,555.49 and 2,778.06 is: 4,167.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,703.56 : 14,555.49 = 2,778.06 : x
  2. Step 2: Convert to fraction form
    9,703.56/14,555.49 = 2,778.06/x
  3. Step 3: Cross multiply
    9,703.56x = 14,555.49 × 2,778.06
  4. Step 4: Simplify right side
    9,703.56x = 40,436,024.55
  5. Step 5: Solve for x
    x = 40,436,024.55/9,703.56
  6. Step 6: Final answer
    x = 4,167.13

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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.