Home / 7,470.69-11,212.96-3,775.50

Finding the Fourth Proportional to 7,470.69, 11,212.96 and 3,775.50

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Solution

The fourth proportional to 7,470.69, 11,212.96 and 3,775.50 is: 5,666.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.69 : 11,212.96 = 3,775.50 : x
  2. Step 2: Convert to fraction form
    7,470.69/11,212.96 = 3,775.50/x
  3. Step 3: Cross multiply
    7,470.69x = 11,212.96 × 3,775.50
  4. Step 4: Simplify right side
    7,470.69x = 42,334,478.99
  5. Step 5: Solve for x
    x = 42,334,478.99/7,470.69
  6. Step 6: Final answer
    x = 5,666.74

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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.