Home / 7,516.19-11,275.34-3,132.64

Finding the Fourth Proportional to 7,516.19, 11,275.34 and 3,132.64

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Solution

The fourth proportional to 7,516.19, 11,275.34 and 3,132.64 is: 4,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.19 : 11,275.34 = 3,132.64 : x
  2. Step 2: Convert to fraction form
    7,516.19/11,275.34 = 3,132.64/x
  3. Step 3: Cross multiply
    7,516.19x = 11,275.34 × 3,132.64
  4. Step 4: Simplify right side
    7,516.19x = 35,321,579.53
  5. Step 5: Solve for x
    x = 35,321,579.53/7,516.19
  6. Step 6: Final answer
    x = 4,699.40

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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.