Home / 7,498.23-10,340.87-4,842.86

Finding the Fourth Proportional to 7,498.23, 10,340.87 and 4,842.86

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Solution

The fourth proportional to 7,498.23, 10,340.87 and 4,842.86 is: 6,678.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,498.23 : 10,340.87 = 4,842.86 : x
  2. Step 2: Convert to fraction form
    7,498.23/10,340.87 = 4,842.86/x
  3. Step 3: Cross multiply
    7,498.23x = 10,340.87 × 4,842.86
  4. Step 4: Simplify right side
    7,498.23x = 50,079,309.77
  5. Step 5: Solve for x
    x = 50,079,309.77/7,498.23
  6. Step 6: Final answer
    x = 6,678.82

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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.