Home / 9,975.55-14,962.10-2,579.39

Finding the Fourth Proportional to 9,975.55, 14,962.10 and 2,579.39

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Solution

The fourth proportional to 9,975.55, 14,962.10 and 2,579.39 is: 3,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.55 : 14,962.10 = 2,579.39 : x
  2. Step 2: Convert to fraction form
    9,975.55/14,962.10 = 2,579.39/x
  3. Step 3: Cross multiply
    9,975.55x = 14,962.10 × 2,579.39
  4. Step 4: Simplify right side
    9,975.55x = 38,593,016.31
  5. Step 5: Solve for x
    x = 38,593,016.31/9,975.55
  6. Step 6: Final answer
    x = 3,868.76

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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.