Home / 7,749.76-10,692.48-4,605.12

Finding the Fourth Proportional to 7,749.76, 10,692.48 and 4,605.12

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Solution

The fourth proportional to 7,749.76, 10,692.48 and 4,605.12 is: 6,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.76 : 10,692.48 = 4,605.12 : x
  2. Step 2: Convert to fraction form
    7,749.76/10,692.48 = 4,605.12/x
  3. Step 3: Cross multiply
    7,749.76x = 10,692.48 × 4,605.12
  4. Step 4: Simplify right side
    7,749.76x = 49,240,153.50
  5. Step 5: Solve for x
    x = 49,240,153.50/7,749.76
  6. Step 6: Final answer
    x = 6,353.76

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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.