Home / 10,328.39-14,253.22-5,612.68

Finding the Fourth Proportional to 10,328.39, 14,253.22 and 5,612.68

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Solution

The fourth proportional to 10,328.39, 14,253.22 and 5,612.68 is: 7,745.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.39 : 14,253.22 = 5,612.68 : x
  2. Step 2: Convert to fraction form
    10,328.39/14,253.22 = 5,612.68/x
  3. Step 3: Cross multiply
    10,328.39x = 14,253.22 × 5,612.68
  4. Step 4: Simplify right side
    10,328.39x = 79,998,762.83
  5. Step 5: Solve for x
    x = 79,998,762.83/10,328.39
  6. Step 6: Final answer
    x = 7,745.52

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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.