Home / 7,101.48-9,799.62-4,117.08

Finding the Fourth Proportional to 7,101.48, 9,799.62 and 4,117.08

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Solution

The fourth proportional to 7,101.48, 9,799.62 and 4,117.08 is: 5,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.48 : 9,799.62 = 4,117.08 : x
  2. Step 2: Convert to fraction form
    7,101.48/9,799.62 = 4,117.08/x
  3. Step 3: Cross multiply
    7,101.48x = 9,799.62 × 4,117.08
  4. Step 4: Simplify right side
    7,101.48x = 40,345,819.51
  5. Step 5: Solve for x
    x = 40,345,819.51/7,101.48
  6. Step 6: Final answer
    x = 5,681.33

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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.