Home / 7,993.86-11,031.59-4,457.30

Finding the Fourth Proportional to 7,993.86, 11,031.59 and 4,457.30

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Solution

The fourth proportional to 7,993.86, 11,031.59 and 4,457.30 is: 6,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.86 : 11,031.59 = 4,457.30 : x
  2. Step 2: Convert to fraction form
    7,993.86/11,031.59 = 4,457.30/x
  3. Step 3: Cross multiply
    7,993.86x = 11,031.59 × 4,457.30
  4. Step 4: Simplify right side
    7,993.86x = 49,171,124.14
  5. Step 5: Solve for x
    x = 49,171,124.14/7,993.86
  6. Step 6: Final answer
    x = 6,151.11

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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.