Home / 9,739.32-13,440.24-5,263.04

Finding the Fourth Proportional to 9,739.32, 13,440.24 and 5,263.04

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Solution

The fourth proportional to 9,739.32, 13,440.24 and 5,263.04 is: 7,262.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739.32 : 13,440.24 = 5,263.04 : x
  2. Step 2: Convert to fraction form
    9,739.32/13,440.24 = 5,263.04/x
  3. Step 3: Cross multiply
    9,739.32x = 13,440.24 × 5,263.04
  4. Step 4: Simplify right side
    9,739.32x = 70,736,520.73
  5. Step 5: Solve for x
    x = 70,736,520.73/9,739.32
  6. Step 6: Final answer
    x = 7,262.98

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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.