Home / 7,122.51-10,683.93-2,442.48

Finding the Fourth Proportional to 7,122.51, 10,683.93 and 2,442.48

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Solution

The fourth proportional to 7,122.51, 10,683.93 and 2,442.48 is: 3,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.51 : 10,683.93 = 2,442.48 : x
  2. Step 2: Convert to fraction form
    7,122.51/10,683.93 = 2,442.48/x
  3. Step 3: Cross multiply
    7,122.51x = 10,683.93 × 2,442.48
  4. Step 4: Simplify right side
    7,122.51x = 26,095,285.35
  5. Step 5: Solve for x
    x = 26,095,285.35/7,122.51
  6. Step 6: Final answer
    x = 3,663.78

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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.