Home / 8,589.21-11,853.58-4,812.16

Finding the Fourth Proportional to 8,589.21, 11,853.58 and 4,812.16

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Solution

The fourth proportional to 8,589.21, 11,853.58 and 4,812.16 is: 6,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.21 : 11,853.58 = 4,812.16 : x
  2. Step 2: Convert to fraction form
    8,589.21/11,853.58 = 4,812.16/x
  3. Step 3: Cross multiply
    8,589.21x = 11,853.58 × 4,812.16
  4. Step 4: Simplify right side
    8,589.21x = 57,041,306.35
  5. Step 5: Solve for x
    x = 57,041,306.35/8,589.21
  6. Step 6: Final answer
    x = 6,641.04

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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.