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Finding the Fourth Proportional to 7,895.80, 11,860.08 and 6,263.74

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Solution

The fourth proportional to 7,895.80, 11,860.08 and 6,263.74 is: 9,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.80 : 11,860.08 = 6,263.74 : x
  2. Step 2: Convert to fraction form
    7,895.80/11,860.08 = 6,263.74/x
  3. Step 3: Cross multiply
    7,895.80x = 11,860.08 × 6,263.74
  4. Step 4: Simplify right side
    7,895.80x = 74,288,457.50
  5. Step 5: Solve for x
    x = 74,288,457.50/7,895.80
  6. Step 6: Final answer
    x = 9,408.60

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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.