Home / 7,865.27-10,853.43-4,508.37

Finding the Fourth Proportional to 7,865.27, 10,853.43 and 4,508.37

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Solution

The fourth proportional to 7,865.27, 10,853.43 and 4,508.37 is: 6,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.27 : 10,853.43 = 4,508.37 : x
  2. Step 2: Convert to fraction form
    7,865.27/10,853.43 = 4,508.37/x
  3. Step 3: Cross multiply
    7,865.27x = 10,853.43 × 4,508.37
  4. Step 4: Simplify right side
    7,865.27x = 48,931,255.67
  5. Step 5: Solve for x
    x = 48,931,255.67/7,865.27
  6. Step 6: Final answer
    x = 6,221.18

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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.