Home / 7,010.20-9,673.84-3,866.36

Finding the Fourth Proportional to 7,010.20, 9,673.84 and 3,866.36

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Solution

The fourth proportional to 7,010.20, 9,673.84 and 3,866.36 is: 5,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.20 : 9,673.84 = 3,866.36 : x
  2. Step 2: Convert to fraction form
    7,010.20/9,673.84 = 3,866.36/x
  3. Step 3: Cross multiply
    7,010.20x = 9,673.84 × 3,866.36
  4. Step 4: Simplify right side
    7,010.20x = 37,402,548.02
  5. Step 5: Solve for x
    x = 37,402,548.02/7,010.20
  6. Step 6: Final answer
    x = 5,335.45

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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.