Home / 7,988.35-11,023.97-4,633.15

Finding the Fourth Proportional to 7,988.35, 11,023.97 and 4,633.15

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Solution

The fourth proportional to 7,988.35, 11,023.97 and 4,633.15 is: 6,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.35 : 11,023.97 = 4,633.15 : x
  2. Step 2: Convert to fraction form
    7,988.35/11,023.97 = 4,633.15/x
  3. Step 3: Cross multiply
    7,988.35x = 11,023.97 × 4,633.15
  4. Step 4: Simplify right side
    7,988.35x = 51,075,683.44
  5. Step 5: Solve for x
    x = 51,075,683.44/7,988.35
  6. Step 6: Final answer
    x = 6,393.77

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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.