Home / 9,690.12-13,371.35-5,441.67

Finding the Fourth Proportional to 9,690.12, 13,371.35 and 5,441.67

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Solution

The fourth proportional to 9,690.12, 13,371.35 and 5,441.67 is: 7,508.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.12 : 13,371.35 = 5,441.67 : x
  2. Step 2: Convert to fraction form
    9,690.12/13,371.35 = 5,441.67/x
  3. Step 3: Cross multiply
    9,690.12x = 13,371.35 × 5,441.67
  4. Step 4: Simplify right side
    9,690.12x = 72,762,446.95
  5. Step 5: Solve for x
    x = 72,762,446.95/9,690.12
  6. Step 6: Final answer
    x = 7,508.93

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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.