Home / 11,544.45-15,931.26-6,828.63

Finding the Fourth Proportional to 11,544.45, 15,931.26 and 6,828.63

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Solution

The fourth proportional to 11,544.45, 15,931.26 and 6,828.63 is: 9,423.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,544.45 : 15,931.26 = 6,828.63 : x
  2. Step 2: Convert to fraction form
    11,544.45/15,931.26 = 6,828.63/x
  3. Step 3: Cross multiply
    11,544.45x = 15,931.26 × 6,828.63
  4. Step 4: Simplify right side
    11,544.45x = 108,788,679.97
  5. Step 5: Solve for x
    x = 108,788,679.97/11,544.45
  6. Step 6: Final answer
    x = 9,423.46

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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.