Home / 11,308.76-15,606.09-6,272.81

Finding the Fourth Proportional to 11,308.76, 15,606.09 and 6,272.81

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Solution

The fourth proportional to 11,308.76, 15,606.09 and 6,272.81 is: 8,656.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.76 : 15,606.09 = 6,272.81 : x
  2. Step 2: Convert to fraction form
    11,308.76/15,606.09 = 6,272.81/x
  3. Step 3: Cross multiply
    11,308.76x = 15,606.09 × 6,272.81
  4. Step 4: Simplify right side
    11,308.76x = 97,894,037.41
  5. Step 5: Solve for x
    x = 97,894,037.41/11,308.76
  6. Step 6: Final answer
    x = 8,656.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.