Home / 7,859.08-11,772.44-4,153.48

Finding the Fourth Proportional to 7,859.08, 11,772.44 and 4,153.48

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Solution

The fourth proportional to 7,859.08, 11,772.44 and 4,153.48 is: 6,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.08 : 11,772.44 = 4,153.48 : x
  2. Step 2: Convert to fraction form
    7,859.08/11,772.44 = 4,153.48/x
  3. Step 3: Cross multiply
    7,859.08x = 11,772.44 × 4,153.48
  4. Step 4: Simplify right side
    7,859.08x = 48,896,559.47
  5. Step 5: Solve for x
    x = 48,896,559.47/7,859.08
  6. Step 6: Final answer
    x = 6,221.67

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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.