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Finding the Fourth Proportional to 9,774.72, 14,645.52 and 6,987.24

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Solution

The fourth proportional to 9,774.72, 14,645.52 and 6,987.24 is: 10,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,774.72 : 14,645.52 = 6,987.24 : x
  2. Step 2: Convert to fraction form
    9,774.72/14,645.52 = 6,987.24/x
  3. Step 3: Cross multiply
    9,774.72x = 14,645.52 × 6,987.24
  4. Step 4: Simplify right side
    9,774.72x = 102,331,763.16
  5. Step 5: Solve for x
    x = 102,331,763.16/9,774.72
  6. Step 6: Final answer
    x = 10,469.02

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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.