Home / 8,399.95-12,575.59-6,328.67

Finding the Fourth Proportional to 8,399.95, 12,575.59 and 6,328.67

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Solution

The fourth proportional to 8,399.95, 12,575.59 and 6,328.67 is: 9,474.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.95 : 12,575.59 = 6,328.67 : x
  2. Step 2: Convert to fraction form
    8,399.95/12,575.59 = 6,328.67/x
  3. Step 3: Cross multiply
    8,399.95x = 12,575.59 × 6,328.67
  4. Step 4: Simplify right side
    8,399.95x = 79,586,680.47
  5. Step 5: Solve for x
    x = 79,586,680.47/8,399.95
  6. Step 6: Final answer
    x = 9,474.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.