Home / 11,313.12-16,975.34-5,077.59

Finding the Fourth Proportional to 11,313.12, 16,975.34 and 5,077.59

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Solution

The fourth proportional to 11,313.12, 16,975.34 and 5,077.59 is: 7,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.12 : 16,975.34 = 5,077.59 : x
  2. Step 2: Convert to fraction form
    11,313.12/16,975.34 = 5,077.59/x
  3. Step 3: Cross multiply
    11,313.12x = 16,975.34 × 5,077.59
  4. Step 4: Simplify right side
    11,313.12x = 86,193,816.63
  5. Step 5: Solve for x
    x = 86,193,816.63/11,313.12
  6. Step 6: Final answer
    x = 7,618.93

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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.