Home / 8,747.07-12,075.12-5,392.67

Finding the Fourth Proportional to 8,747.07, 12,075.12 and 5,392.67

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Solution

The fourth proportional to 8,747.07, 12,075.12 and 5,392.67 is: 7,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.07 : 12,075.12 = 5,392.67 : x
  2. Step 2: Convert to fraction form
    8,747.07/12,075.12 = 5,392.67/x
  3. Step 3: Cross multiply
    8,747.07x = 12,075.12 × 5,392.67
  4. Step 4: Simplify right side
    8,747.07x = 65,117,076.99
  5. Step 5: Solve for x
    x = 65,117,076.99/8,747.07
  6. Step 6: Final answer
    x = 7,444.44

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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.