Home / 11,353.65-17,030.27-5,109.24

Finding the Fourth Proportional to 11,353.65, 17,030.27 and 5,109.24

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Solution

The fourth proportional to 11,353.65, 17,030.27 and 5,109.24 is: 7,663.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,353.65 : 17,030.27 = 5,109.24 : x
  2. Step 2: Convert to fraction form
    11,353.65/17,030.27 = 5,109.24/x
  3. Step 3: Cross multiply
    11,353.65x = 17,030.27 × 5,109.24
  4. Step 4: Simplify right side
    11,353.65x = 87,011,749.47
  5. Step 5: Solve for x
    x = 87,011,749.47/11,353.65
  6. Step 6: Final answer
    x = 7,663.77

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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.