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Finding the Fourth Proportional to 9,788.51, 13,501.45 and 6,250.12

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Solution

The fourth proportional to 9,788.51, 13,501.45 and 6,250.12 is: 8,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.51 : 13,501.45 = 6,250.12 : x
  2. Step 2: Convert to fraction form
    9,788.51/13,501.45 = 6,250.12/x
  3. Step 3: Cross multiply
    9,788.51x = 13,501.45 × 6,250.12
  4. Step 4: Simplify right side
    9,788.51x = 84,385,685.18
  5. Step 5: Solve for x
    x = 84,385,685.18/9,788.51
  6. Step 6: Final answer
    x = 8,620.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.