Home / 7,214.15-9,960.01-5,532.32

Finding the Fourth Proportional to 7,214.15, 9,960.01 and 5,532.32

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Solution

The fourth proportional to 7,214.15, 9,960.01 and 5,532.32 is: 7,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.15 : 9,960.01 = 5,532.32 : x
  2. Step 2: Convert to fraction form
    7,214.15/9,960.01 = 5,532.32/x
  3. Step 3: Cross multiply
    7,214.15x = 9,960.01 × 5,532.32
  4. Step 4: Simplify right side
    7,214.15x = 55,101,934.86
  5. Step 5: Solve for x
    x = 55,101,934.86/7,214.15
  6. Step 6: Final answer
    x = 7,638.04

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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.