Home / 7,017.18-9,683.91-3,873.57

Finding the Fourth Proportional to 7,017.18, 9,683.91 and 3,873.57

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Solution

The fourth proportional to 7,017.18, 9,683.91 and 3,873.57 is: 5,345.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.18 : 9,683.91 = 3,873.57 : x
  2. Step 2: Convert to fraction form
    7,017.18/9,683.91 = 3,873.57/x
  3. Step 3: Cross multiply
    7,017.18x = 9,683.91 × 3,873.57
  4. Step 4: Simplify right side
    7,017.18x = 37,511,303.26
  5. Step 5: Solve for x
    x = 37,511,303.26/7,017.18
  6. Step 6: Final answer
    x = 5,345.64

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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.