Home / 7,545.58-11,316.30-3,162.10

Finding the Fourth Proportional to 7,545.58, 11,316.30 and 3,162.10

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Solution

The fourth proportional to 7,545.58, 11,316.30 and 3,162.10 is: 4,742.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.58 : 11,316.30 = 3,162.10 : x
  2. Step 2: Convert to fraction form
    7,545.58/11,316.30 = 3,162.10/x
  3. Step 3: Cross multiply
    7,545.58x = 11,316.30 × 3,162.10
  4. Step 4: Simplify right side
    7,545.58x = 35,783,272.23
  5. Step 5: Solve for x
    x = 35,783,272.23/7,545.58
  6. Step 6: Final answer
    x = 4,742.28

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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.