Home / 7,316.54-10,976.56-2,386.20

Finding the Fourth Proportional to 7,316.54, 10,976.56 and 2,386.20

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Solution

The fourth proportional to 7,316.54, 10,976.56 and 2,386.20 is: 3,579.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.54 : 10,976.56 = 2,386.20 : x
  2. Step 2: Convert to fraction form
    7,316.54/10,976.56 = 2,386.20/x
  3. Step 3: Cross multiply
    7,316.54x = 10,976.56 × 2,386.20
  4. Step 4: Simplify right side
    7,316.54x = 26,192,261.51
  5. Step 5: Solve for x
    x = 26,192,261.51/7,316.54
  6. Step 6: Final answer
    x = 3,579.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.