Home / 7,630.19-11,449.60-3,526.19

Finding the Fourth Proportional to 7,630.19, 11,449.60 and 3,526.19

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Solution

The fourth proportional to 7,630.19, 11,449.60 and 3,526.19 is: 5,291.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.19 : 11,449.60 = 3,526.19 : x
  2. Step 2: Convert to fraction form
    7,630.19/11,449.60 = 3,526.19/x
  3. Step 3: Cross multiply
    7,630.19x = 11,449.60 × 3,526.19
  4. Step 4: Simplify right side
    7,630.19x = 40,373,465.02
  5. Step 5: Solve for x
    x = 40,373,465.02/7,630.19
  6. Step 6: Final answer
    x = 5,291.28

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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.