Home / 7,409.68-11,110.57-2,477.69

Finding the Fourth Proportional to 7,409.68, 11,110.57 and 2,477.69

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Solution

The fourth proportional to 7,409.68, 11,110.57 and 2,477.69 is: 3,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,409.68 : 11,110.57 = 2,477.69 : x
  2. Step 2: Convert to fraction form
    7,409.68/11,110.57 = 2,477.69/x
  3. Step 3: Cross multiply
    7,409.68x = 11,110.57 × 2,477.69
  4. Step 4: Simplify right side
    7,409.68x = 27,528,528.10
  5. Step 5: Solve for x
    x = 27,528,528.10/7,409.68
  6. Step 6: Final answer
    x = 3,715.21

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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.