Home / 8,749.99-12,075.24-4,771.18

Finding the Fourth Proportional to 8,749.99, 12,075.24 and 4,771.18

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Solution

The fourth proportional to 8,749.99, 12,075.24 and 4,771.18 is: 6,584.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.99 : 12,075.24 = 4,771.18 : x
  2. Step 2: Convert to fraction form
    8,749.99/12,075.24 = 4,771.18/x
  3. Step 3: Cross multiply
    8,749.99x = 12,075.24 × 4,771.18
  4. Step 4: Simplify right side
    8,749.99x = 57,613,143.58
  5. Step 5: Solve for x
    x = 57,613,143.58/8,749.99
  6. Step 6: Final answer
    x = 6,584.37

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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.