Home / 7,342.87-11,015.45-2,411.38

Finding the Fourth Proportional to 7,342.87, 11,015.45 and 2,411.38

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Solution

The fourth proportional to 7,342.87, 11,015.45 and 2,411.38 is: 3,617.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.87 : 11,015.45 = 2,411.38 : x
  2. Step 2: Convert to fraction form
    7,342.87/11,015.45 = 2,411.38/x
  3. Step 3: Cross multiply
    7,342.87x = 11,015.45 × 2,411.38
  4. Step 4: Simplify right side
    7,342.87x = 26,562,423.76
  5. Step 5: Solve for x
    x = 26,562,423.76/7,342.87
  6. Step 6: Final answer
    x = 3,617.45

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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.