Home / 7,470.14-11,208.99-3,090.74

Finding the Fourth Proportional to 7,470.14, 11,208.99 and 3,090.74

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Solution

The fourth proportional to 7,470.14, 11,208.99 and 3,090.74 is: 4,637.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.14 : 11,208.99 = 3,090.74 : x
  2. Step 2: Convert to fraction form
    7,470.14/11,208.99 = 3,090.74/x
  3. Step 3: Cross multiply
    7,470.14x = 11,208.99 × 3,090.74
  4. Step 4: Simplify right side
    7,470.14x = 34,644,073.75
  5. Step 5: Solve for x
    x = 34,644,073.75/7,470.14
  6. Step 6: Final answer
    x = 4,637.67

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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.