Home / 7,683.07-10,619.56-7,008.36

Finding the Fourth Proportional to 7,683.07, 10,619.56 and 7,008.36

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Solution

The fourth proportional to 7,683.07, 10,619.56 and 7,008.36 is: 9,686.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.07 : 10,619.56 = 7,008.36 : x
  2. Step 2: Convert to fraction form
    7,683.07/10,619.56 = 7,008.36/x
  3. Step 3: Cross multiply
    7,683.07x = 10,619.56 × 7,008.36
  4. Step 4: Simplify right side
    7,683.07x = 74,425,629.04
  5. Step 5: Solve for x
    x = 74,425,629.04/7,683.07
  6. Step 6: Final answer
    x = 9,686.97

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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.