Home / 10,875.05-16,318.72-4,634.40

Finding the Fourth Proportional to 10,875.05, 16,318.72 and 4,634.40

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Solution

The fourth proportional to 10,875.05, 16,318.72 and 4,634.40 is: 6,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.05 : 16,318.72 = 4,634.40 : x
  2. Step 2: Convert to fraction form
    10,875.05/16,318.72 = 4,634.40/x
  3. Step 3: Cross multiply
    10,875.05x = 16,318.72 × 4,634.40
  4. Step 4: Simplify right side
    10,875.05x = 75,627,475.97
  5. Step 5: Solve for x
    x = 75,627,475.97/10,875.05
  6. Step 6: Final answer
    x = 6,954.22

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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.