Home / 7,550.87-10,421.12-4,408.07

Finding the Fourth Proportional to 7,550.87, 10,421.12 and 4,408.07

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Solution

The fourth proportional to 7,550.87, 10,421.12 and 4,408.07 is: 6,083.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.87 : 10,421.12 = 4,408.07 : x
  2. Step 2: Convert to fraction form
    7,550.87/10,421.12 = 4,408.07/x
  3. Step 3: Cross multiply
    7,550.87x = 10,421.12 × 4,408.07
  4. Step 4: Simplify right side
    7,550.87x = 45,936,985.35
  5. Step 5: Solve for x
    x = 45,936,985.35/7,550.87
  6. Step 6: Final answer
    x = 6,083.67

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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.