Home / 8,750.32-12,075.39-4,771.42

Finding the Fourth Proportional to 8,750.32, 12,075.39 and 4,771.42

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Solution

The fourth proportional to 8,750.32, 12,075.39 and 4,771.42 is: 6,584.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.32 : 12,075.39 = 4,771.42 : x
  2. Step 2: Convert to fraction form
    8,750.32/12,075.39 = 4,771.42/x
  3. Step 3: Cross multiply
    8,750.32x = 12,075.39 × 4,771.42
  4. Step 4: Simplify right side
    8,750.32x = 57,616,757.35
  5. Step 5: Solve for x
    x = 57,616,757.35/8,750.32
  6. Step 6: Final answer
    x = 6,584.53

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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.