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Finding the Fourth Proportional to 7,993.76, 11,038.35 and 5,014.71

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Solution

The fourth proportional to 7,993.76, 11,038.35 and 5,014.71 is: 6,924.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.76 : 11,038.35 = 5,014.71 : x
  2. Step 2: Convert to fraction form
    7,993.76/11,038.35 = 5,014.71/x
  3. Step 3: Cross multiply
    7,993.76x = 11,038.35 × 5,014.71
  4. Step 4: Simplify right side
    7,993.76x = 55,354,124.13
  5. Step 5: Solve for x
    x = 55,354,124.13/7,993.76
  6. Step 6: Final answer
    x = 6,924.67

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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.