Home / 9,441.12-13,029.08-5,408.68

Finding the Fourth Proportional to 9,441.12, 13,029.08 and 5,408.68

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Solution

The fourth proportional to 9,441.12, 13,029.08 and 5,408.68 is: 7,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,441.12 : 13,029.08 = 5,408.68 : x
  2. Step 2: Convert to fraction form
    9,441.12/13,029.08 = 5,408.68/x
  3. Step 3: Cross multiply
    9,441.12x = 13,029.08 × 5,408.68
  4. Step 4: Simplify right side
    9,441.12x = 70,470,124.41
  5. Step 5: Solve for x
    x = 70,470,124.41/9,441.12
  6. Step 6: Final answer
    x = 7,464.17

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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.