Home / 7,482.06-11,224.89-3,784.20

Finding the Fourth Proportional to 7,482.06, 11,224.89 and 3,784.20

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Solution

The fourth proportional to 7,482.06, 11,224.89 and 3,784.20 is: 5,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.06 : 11,224.89 = 3,784.20 : x
  2. Step 2: Convert to fraction form
    7,482.06/11,224.89 = 3,784.20/x
  3. Step 3: Cross multiply
    7,482.06x = 11,224.89 × 3,784.20
  4. Step 4: Simplify right side
    7,482.06x = 42,477,228.74
  5. Step 5: Solve for x
    x = 42,477,228.74/7,482.06
  6. Step 6: Final answer
    x = 5,677.21

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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.