Home / 9,020.87-12,440.73-5,663.99

Finding the Fourth Proportional to 9,020.87, 12,440.73 and 5,663.99

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Solution

The fourth proportional to 9,020.87, 12,440.73 and 5,663.99 is: 7,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,020.87 : 12,440.73 = 5,663.99 : x
  2. Step 2: Convert to fraction form
    9,020.87/12,440.73 = 5,663.99/x
  3. Step 3: Cross multiply
    9,020.87x = 12,440.73 × 5,663.99
  4. Step 4: Simplify right side
    9,020.87x = 70,464,170.31
  5. Step 5: Solve for x
    x = 70,464,170.31/9,020.87
  6. Step 6: Final answer
    x = 7,811.24

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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.