Home / 8,395.21-11,585.78-4,618.31

Finding the Fourth Proportional to 8,395.21, 11,585.78 and 4,618.31

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Solution

The fourth proportional to 8,395.21, 11,585.78 and 4,618.31 is: 6,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.21 : 11,585.78 = 4,618.31 : x
  2. Step 2: Convert to fraction form
    8,395.21/11,585.78 = 4,618.31/x
  3. Step 3: Cross multiply
    8,395.21x = 11,585.78 × 4,618.31
  4. Step 4: Simplify right side
    8,395.21x = 53,506,665.70
  5. Step 5: Solve for x
    x = 53,506,665.70/8,395.21
  6. Step 6: Final answer
    x = 6,373.48

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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.