Home / 9,858.10-14,778.35-3,616.66

Finding the Fourth Proportional to 9,858.10, 14,778.35 and 3,616.66

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Solution

The fourth proportional to 9,858.10, 14,778.35 and 3,616.66 is: 5,421.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,858.10 : 14,778.35 = 3,616.66 : x
  2. Step 2: Convert to fraction form
    9,858.10/14,778.35 = 3,616.66/x
  3. Step 3: Cross multiply
    9,858.10x = 14,778.35 × 3,616.66
  4. Step 4: Simplify right side
    9,858.10x = 53,448,267.31
  5. Step 5: Solve for x
    x = 53,448,267.31/9,858.10
  6. Step 6: Final answer
    x = 5,421.76

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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.