Home / 7,979.52-11,010-4,836.48

Finding the Fourth Proportional to 7,979.52, 11,010 and 4,836.48

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Solution

The fourth proportional to 7,979.52, 11,010 and 4,836.48 is: 6,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,979.52 : 11,010 = 4,836.48 : x
  2. Step 2: Convert to fraction form
    7,979.52/11,010 = 4,836.48/x
  3. Step 3: Cross multiply
    7,979.52x = 11,010 × 4,836.48
  4. Step 4: Simplify right side
    7,979.52x = 53,249,644.80
  5. Step 5: Solve for x
    x = 53,249,644.80/7,979.52
  6. Step 6: Final answer
    x = 6,673.29

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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.