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Finding the Fourth Proportional to 8,370.87, 11,547.44 and 4,965.90

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Solution

The fourth proportional to 8,370.87, 11,547.44 and 4,965.90 is: 6,850.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.87 : 11,547.44 = 4,965.90 : x
  2. Step 2: Convert to fraction form
    8,370.87/11,547.44 = 4,965.90/x
  3. Step 3: Cross multiply
    8,370.87x = 11,547.44 × 4,965.90
  4. Step 4: Simplify right side
    8,370.87x = 57,343,444.71
  5. Step 5: Solve for x
    x = 57,343,444.71/8,370.87
  6. Step 6: Final answer
    x = 6,850.36

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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.