Home / 7,118.48-9,820.68-4,756.88

Finding the Fourth Proportional to 7,118.48, 9,820.68 and 4,756.88

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Solution

The fourth proportional to 7,118.48, 9,820.68 and 4,756.88 is: 6,562.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.48 : 9,820.68 = 4,756.88 : x
  2. Step 2: Convert to fraction form
    7,118.48/9,820.68 = 4,756.88/x
  3. Step 3: Cross multiply
    7,118.48x = 9,820.68 × 4,756.88
  4. Step 4: Simplify right side
    7,118.48x = 46,715,796.28
  5. Step 5: Solve for x
    x = 46,715,796.28/7,118.48
  6. Step 6: Final answer
    x = 6,562.61

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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.