Home / 9,739.58-13,439.81-5,432.41

Finding the Fourth Proportional to 9,739.58, 13,439.81 and 5,432.41

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Solution

The fourth proportional to 9,739.58, 13,439.81 and 5,432.41 is: 7,496.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,739.58 : 13,439.81 = 5,432.41 : x
  2. Step 2: Convert to fraction form
    9,739.58/13,439.81 = 5,432.41/x
  3. Step 3: Cross multiply
    9,739.58x = 13,439.81 × 5,432.41
  4. Step 4: Simplify right side
    9,739.58x = 73,010,538.22
  5. Step 5: Solve for x
    x = 73,010,538.22/9,739.58
  6. Step 6: Final answer
    x = 7,496.27

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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.