Home / 10,151.60-14,002.27-6,619.59

Finding the Fourth Proportional to 10,151.60, 14,002.27 and 6,619.59

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Solution

The fourth proportional to 10,151.60, 14,002.27 and 6,619.59 is: 9,130.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.60 : 14,002.27 = 6,619.59 : x
  2. Step 2: Convert to fraction form
    10,151.60/14,002.27 = 6,619.59/x
  3. Step 3: Cross multiply
    10,151.60x = 14,002.27 × 6,619.59
  4. Step 4: Simplify right side
    10,151.60x = 92,689,269.92
  5. Step 5: Solve for x
    x = 92,689,269.92/10,151.60
  6. Step 6: Final answer
    x = 9,130.51

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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.