Home / 7,482.86-11,224.40-3,586.35

Finding the Fourth Proportional to 7,482.86, 11,224.40 and 3,586.35

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Solution

The fourth proportional to 7,482.86, 11,224.40 and 3,586.35 is: 5,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.86 : 11,224.40 = 3,586.35 : x
  2. Step 2: Convert to fraction form
    7,482.86/11,224.40 = 3,586.35/x
  3. Step 3: Cross multiply
    7,482.86x = 11,224.40 × 3,586.35
  4. Step 4: Simplify right side
    7,482.86x = 40,254,651.10
  5. Step 5: Solve for x
    x = 40,254,651.10/7,482.86
  6. Step 6: Final answer
    x = 5,379.58

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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.