Home / 7,161.23-9,877.20-4,799.27

Finding the Fourth Proportional to 7,161.23, 9,877.20 and 4,799.27

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Solution

The fourth proportional to 7,161.23, 9,877.20 and 4,799.27 is: 6,619.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.23 : 9,877.20 = 4,799.27 : x
  2. Step 2: Convert to fraction form
    7,161.23/9,877.20 = 4,799.27/x
  3. Step 3: Cross multiply
    7,161.23x = 9,877.20 × 4,799.27
  4. Step 4: Simplify right side
    7,161.23x = 47,403,349.64
  5. Step 5: Solve for x
    x = 47,403,349.64/7,161.23
  6. Step 6: Final answer
    x = 6,619.44

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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.