Home / 10,955.52-16,433.28-10,005.12

Finding the Fourth Proportional to 10,955.52, 16,433.28 and 10,005.12

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Solution

The fourth proportional to 10,955.52, 16,433.28 and 10,005.12 is: 15,007.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.52 : 16,433.28 = 10,005.12 : x
  2. Step 2: Convert to fraction form
    10,955.52/16,433.28 = 10,005.12/x
  3. Step 3: Cross multiply
    10,955.52x = 16,433.28 × 10,005.12
  4. Step 4: Simplify right side
    10,955.52x = 164,416,938.39
  5. Step 5: Solve for x
    x = 164,416,938.39/10,955.52
  6. Step 6: Final answer
    x = 15,007.68

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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.