Home / 8,210.89-11,331.96-4,577.29

Finding the Fourth Proportional to 8,210.89, 11,331.96 and 4,577.29

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Solution

The fourth proportional to 8,210.89, 11,331.96 and 4,577.29 is: 6,317.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.89 : 11,331.96 = 4,577.29 : x
  2. Step 2: Convert to fraction form
    8,210.89/11,331.96 = 4,577.29/x
  3. Step 3: Cross multiply
    8,210.89x = 11,331.96 × 4,577.29
  4. Step 4: Simplify right side
    8,210.89x = 51,869,667.19
  5. Step 5: Solve for x
    x = 51,869,667.19/8,210.89
  6. Step 6: Final answer
    x = 6,317.18

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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.