Home / 9,703.48-13,390.41-5,454.73

Finding the Fourth Proportional to 9,703.48, 13,390.41 and 5,454.73

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Solution

The fourth proportional to 9,703.48, 13,390.41 and 5,454.73 is: 7,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,703.48 : 13,390.41 = 5,454.73 : x
  2. Step 2: Convert to fraction form
    9,703.48/13,390.41 = 5,454.73/x
  3. Step 3: Cross multiply
    9,703.48x = 13,390.41 × 5,454.73
  4. Step 4: Simplify right side
    9,703.48x = 73,041,033.01
  5. Step 5: Solve for x
    x = 73,041,033.01/9,703.48
  6. Step 6: Final answer
    x = 7,527.30

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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.