Home / 13,117.36-19,685.76-6,196.72

Finding the Fourth Proportional to 13,117.36, 19,685.76 and 6,196.72

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Solution

The fourth proportional to 13,117.36, 19,685.76 and 6,196.72 is: 9,299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.36 : 19,685.76 = 6,196.72 : x
  2. Step 2: Convert to fraction form
    13,117.36/19,685.76 = 6,196.72/x
  3. Step 3: Cross multiply
    13,117.36x = 19,685.76 × 6,196.72
  4. Step 4: Simplify right side
    13,117.36x = 121,987,142.71
  5. Step 5: Solve for x
    x = 121,987,142.71/13,117.36
  6. Step 6: Final answer
    x = 9,299.67

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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.