Home / 10,069.72-15,104.88-4,805.32

Finding the Fourth Proportional to 10,069.72, 15,104.88 and 4,805.32

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Solution

The fourth proportional to 10,069.72, 15,104.88 and 4,805.32 is: 7,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069.72 : 15,104.88 = 4,805.32 : x
  2. Step 2: Convert to fraction form
    10,069.72/15,104.88 = 4,805.32/x
  3. Step 3: Cross multiply
    10,069.72x = 15,104.88 × 4,805.32
  4. Step 4: Simplify right side
    10,069.72x = 72,583,781.96
  5. Step 5: Solve for x
    x = 72,583,781.96/10,069.72
  6. Step 6: Final answer
    x = 7,208.12

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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.