Home / 10,016.60-15,011.74-7,371.72

Finding the Fourth Proportional to 10,016.60, 15,011.74 and 7,371.72

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Solution

The fourth proportional to 10,016.60, 15,011.74 and 7,371.72 is: 11,047.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.60 : 15,011.74 = 7,371.72 : x
  2. Step 2: Convert to fraction form
    10,016.60/15,011.74 = 7,371.72/x
  3. Step 3: Cross multiply
    10,016.60x = 15,011.74 × 7,371.72
  4. Step 4: Simplify right side
    10,016.60x = 110,662,343.99
  5. Step 5: Solve for x
    x = 110,662,343.99/10,016.60
  6. Step 6: Final answer
    x = 11,047.89

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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.