Home / 7,089.81-10,609.20-4,317.18

Finding the Fourth Proportional to 7,089.81, 10,609.20 and 4,317.18

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Solution

The fourth proportional to 7,089.81, 10,609.20 and 4,317.18 is: 6,460.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.81 : 10,609.20 = 4,317.18 : x
  2. Step 2: Convert to fraction form
    7,089.81/10,609.20 = 4,317.18/x
  3. Step 3: Cross multiply
    7,089.81x = 10,609.20 × 4,317.18
  4. Step 4: Simplify right side
    7,089.81x = 45,801,826.06
  5. Step 5: Solve for x
    x = 45,801,826.06/7,089.81
  6. Step 6: Final answer
    x = 6,460.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.