Home / 7,454.30-11,108.37-6,798.20

Finding the Fourth Proportional to 7,454.30, 11,108.37 and 6,798.20

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Solution

The fourth proportional to 7,454.30, 11,108.37 and 6,798.20 is: 10,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.30 : 11,108.37 = 6,798.20 : x
  2. Step 2: Convert to fraction form
    7,454.30/11,108.37 = 6,798.20/x
  3. Step 3: Cross multiply
    7,454.30x = 11,108.37 × 6,798.20
  4. Step 4: Simplify right side
    7,454.30x = 75,516,886.94
  5. Step 5: Solve for x
    x = 75,516,886.94/7,454.30
  6. Step 6: Final answer
    x = 10,130.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.