Home / 7,509.79-11,256.72-5,162.28

Finding the Fourth Proportional to 7,509.79, 11,256.72 and 5,162.28

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Solution

The fourth proportional to 7,509.79, 11,256.72 and 5,162.28 is: 7,737.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.79 : 11,256.72 = 5,162.28 : x
  2. Step 2: Convert to fraction form
    7,509.79/11,256.72 = 5,162.28/x
  3. Step 3: Cross multiply
    7,509.79x = 11,256.72 × 5,162.28
  4. Step 4: Simplify right side
    7,509.79x = 58,110,340.52
  5. Step 5: Solve for x
    x = 58,110,340.52/7,509.79
  6. Step 6: Final answer
    x = 7,737.94

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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.