Home / 8,436.35-11,643.19-4,899.56

Finding the Fourth Proportional to 8,436.35, 11,643.19 and 4,899.56

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Solution

The fourth proportional to 8,436.35, 11,643.19 and 4,899.56 is: 6,762.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.35 : 11,643.19 = 4,899.56 : x
  2. Step 2: Convert to fraction form
    8,436.35/11,643.19 = 4,899.56/x
  3. Step 3: Cross multiply
    8,436.35x = 11,643.19 × 4,899.56
  4. Step 4: Simplify right side
    8,436.35x = 57,046,524.86
  5. Step 5: Solve for x
    x = 57,046,524.86/8,436.35
  6. Step 6: Final answer
    x = 6,762.00

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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.