Home / 7,588.09-11,376.63-5,116.78

Finding the Fourth Proportional to 7,588.09, 11,376.63 and 5,116.78

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Solution

The fourth proportional to 7,588.09, 11,376.63 and 5,116.78 is: 7,671.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,588.09 : 11,376.63 = 5,116.78 : x
  2. Step 2: Convert to fraction form
    7,588.09/11,376.63 = 5,116.78/x
  3. Step 3: Cross multiply
    7,588.09x = 11,376.63 × 5,116.78
  4. Step 4: Simplify right side
    7,588.09x = 58,211,712.85
  5. Step 5: Solve for x
    x = 58,211,712.85/7,588.09
  6. Step 6: Final answer
    x = 7,671.46

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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.