Home / 9,903.24-13,665.16-5,922.90

Finding the Fourth Proportional to 9,903.24, 13,665.16 and 5,922.90

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Solution

The fourth proportional to 9,903.24, 13,665.16 and 5,922.90 is: 8,172.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,903.24 : 13,665.16 = 5,922.90 : x
  2. Step 2: Convert to fraction form
    9,903.24/13,665.16 = 5,922.90/x
  3. Step 3: Cross multiply
    9,903.24x = 13,665.16 × 5,922.90
  4. Step 4: Simplify right side
    9,903.24x = 80,937,376.16
  5. Step 5: Solve for x
    x = 80,937,376.16/9,903.24
  6. Step 6: Final answer
    x = 8,172.82

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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.