Home / 11,223.93-15,477.84-7,247.10

Finding the Fourth Proportional to 11,223.93, 15,477.84 and 7,247.10

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Solution

The fourth proportional to 11,223.93, 15,477.84 and 7,247.10 is: 9,993.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.93 : 15,477.84 = 7,247.10 : x
  2. Step 2: Convert to fraction form
    11,223.93/15,477.84 = 7,247.10/x
  3. Step 3: Cross multiply
    11,223.93x = 15,477.84 × 7,247.10
  4. Step 4: Simplify right side
    11,223.93x = 112,169,454.26
  5. Step 5: Solve for x
    x = 112,169,454.26/11,223.93
  6. Step 6: Final answer
    x = 9,993.78

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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.