Home / 10,500.39-15,747.84-4,952.25

Finding the Fourth Proportional to 10,500.39, 15,747.84 and 4,952.25

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Solution

The fourth proportional to 10,500.39, 15,747.84 and 4,952.25 is: 7,427.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500.39 : 15,747.84 = 4,952.25 : x
  2. Step 2: Convert to fraction form
    10,500.39/15,747.84 = 4,952.25/x
  3. Step 3: Cross multiply
    10,500.39x = 15,747.84 × 4,952.25
  4. Step 4: Simplify right side
    10,500.39x = 77,987,240.64
  5. Step 5: Solve for x
    x = 77,987,240.64/10,500.39
  6. Step 6: Final answer
    x = 7,427.08

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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.