Home / 7,135.36-9,848.89-4,152.33

Finding the Fourth Proportional to 7,135.36, 9,848.89 and 4,152.33

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Solution

The fourth proportional to 7,135.36, 9,848.89 and 4,152.33 is: 5,731.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.36 : 9,848.89 = 4,152.33 : x
  2. Step 2: Convert to fraction form
    7,135.36/9,848.89 = 4,152.33/x
  3. Step 3: Cross multiply
    7,135.36x = 9,848.89 × 4,152.33
  4. Step 4: Simplify right side
    7,135.36x = 40,895,846.60
  5. Step 5: Solve for x
    x = 40,895,846.60/7,135.36
  6. Step 6: Final answer
    x = 5,731.44

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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.