Home / 9,087.92-12,541.32-5,313.68

Finding the Fourth Proportional to 9,087.92, 12,541.32 and 5,313.68

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Solution

The fourth proportional to 9,087.92, 12,541.32 and 5,313.68 is: 7,332.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.92 : 12,541.32 = 5,313.68 : x
  2. Step 2: Convert to fraction form
    9,087.92/12,541.32 = 5,313.68/x
  3. Step 3: Cross multiply
    9,087.92x = 12,541.32 × 5,313.68
  4. Step 4: Simplify right side
    9,087.92x = 66,640,561.26
  5. Step 5: Solve for x
    x = 66,640,561.26/9,087.92
  6. Step 6: Final answer
    x = 7,332.87

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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.