Home / 7,492.32-11,220.96-5,921.78

Finding the Fourth Proportional to 7,492.32, 11,220.96 and 5,921.78

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Solution

The fourth proportional to 7,492.32, 11,220.96 and 5,921.78 is: 8,868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,492.32 : 11,220.96 = 5,921.78 : x
  2. Step 2: Convert to fraction form
    7,492.32/11,220.96 = 5,921.78/x
  3. Step 3: Cross multiply
    7,492.32x = 11,220.96 × 5,921.78
  4. Step 4: Simplify right side
    7,492.32x = 66,448,056.51
  5. Step 5: Solve for x
    x = 66,448,056.51/7,492.32
  6. Step 6: Final answer
    x = 8,868.82

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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.