Home / 7,990.93-11,027.53-4,635.74

Finding the Fourth Proportional to 7,990.93, 11,027.53 and 4,635.74

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Solution

The fourth proportional to 7,990.93, 11,027.53 and 4,635.74 is: 6,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.93 : 11,027.53 = 4,635.74 : x
  2. Step 2: Convert to fraction form
    7,990.93/11,027.53 = 4,635.74/x
  3. Step 3: Cross multiply
    7,990.93x = 11,027.53 × 4,635.74
  4. Step 4: Simplify right side
    7,990.93x = 51,120,707.18
  5. Step 5: Solve for x
    x = 51,120,707.18/7,990.93
  6. Step 6: Final answer
    x = 6,397.34

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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.