Home / 8,210.16-11,330.28-4,673.30

Finding the Fourth Proportional to 8,210.16, 11,330.28 and 4,673.30

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Solution

The fourth proportional to 8,210.16, 11,330.28 and 4,673.30 is: 6,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.16 : 11,330.28 = 4,673.30 : x
  2. Step 2: Convert to fraction form
    8,210.16/11,330.28 = 4,673.30/x
  3. Step 3: Cross multiply
    8,210.16x = 11,330.28 × 4,673.30
  4. Step 4: Simplify right side
    8,210.16x = 52,949,740.87
  5. Step 5: Solve for x
    x = 52,949,740.87/8,210.16
  6. Step 6: Final answer
    x = 6,449.29

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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.