Home / 8,749.75-12,075.69-5,524.25

Finding the Fourth Proportional to 8,749.75, 12,075.69 and 5,524.25

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Solution

The fourth proportional to 8,749.75, 12,075.69 and 5,524.25 is: 7,624.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.75 : 12,075.69 = 5,524.25 : x
  2. Step 2: Convert to fraction form
    8,749.75/12,075.69 = 5,524.25/x
  3. Step 3: Cross multiply
    8,749.75x = 12,075.69 × 5,524.25
  4. Step 4: Simplify right side
    8,749.75x = 66,709,160.67
  5. Step 5: Solve for x
    x = 66,709,160.67/8,749.75
  6. Step 6: Final answer
    x = 7,624.12

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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.