Home / 9,518.18-13,134.21-5,325.62

Finding the Fourth Proportional to 9,518.18, 13,134.21 and 5,325.62

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Solution

The fourth proportional to 9,518.18, 13,134.21 and 5,325.62 is: 7,348.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,518.18 : 13,134.21 = 5,325.62 : x
  2. Step 2: Convert to fraction form
    9,518.18/13,134.21 = 5,325.62/x
  3. Step 3: Cross multiply
    9,518.18x = 13,134.21 × 5,325.62
  4. Step 4: Simplify right side
    9,518.18x = 69,947,811.46
  5. Step 5: Solve for x
    x = 69,947,811.46/9,518.18
  6. Step 6: Final answer
    x = 7,348.86

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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.