Home / 8,370.23-12,542.02-4,421.34

Finding the Fourth Proportional to 8,370.23, 12,542.02 and 4,421.34

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Solution

The fourth proportional to 8,370.23, 12,542.02 and 4,421.34 is: 6,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.23 : 12,542.02 = 4,421.34 : x
  2. Step 2: Convert to fraction form
    8,370.23/12,542.02 = 4,421.34/x
  3. Step 3: Cross multiply
    8,370.23x = 12,542.02 × 4,421.34
  4. Step 4: Simplify right side
    8,370.23x = 55,452,534.71
  5. Step 5: Solve for x
    x = 55,452,534.71/8,370.23
  6. Step 6: Final answer
    x = 6,624.97

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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.