Home / 10,288.60-14,198.36-5,572.98

Finding the Fourth Proportional to 10,288.60, 14,198.36 and 5,572.98

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Solution

The fourth proportional to 10,288.60, 14,198.36 and 5,572.98 is: 7,690.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.60 : 14,198.36 = 5,572.98 : x
  2. Step 2: Convert to fraction form
    10,288.60/14,198.36 = 5,572.98/x
  3. Step 3: Cross multiply
    10,288.60x = 14,198.36 × 5,572.98
  4. Step 4: Simplify right side
    10,288.60x = 79,127,190.25
  5. Step 5: Solve for x
    x = 79,127,190.25/10,288.60
  6. Step 6: Final answer
    x = 7,690.77

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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.