Home / 10,972.87-16,459.30-5,133.58

Finding the Fourth Proportional to 10,972.87, 16,459.30 and 5,133.58

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Solution

The fourth proportional to 10,972.87, 16,459.30 and 5,133.58 is: 7,700.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.87 : 16,459.30 = 5,133.58 : x
  2. Step 2: Convert to fraction form
    10,972.87/16,459.30 = 5,133.58/x
  3. Step 3: Cross multiply
    10,972.87x = 16,459.30 × 5,133.58
  4. Step 4: Simplify right side
    10,972.87x = 84,495,098.56
  5. Step 5: Solve for x
    x = 84,495,098.56/10,972.87
  6. Step 6: Final answer
    x = 7,700.37

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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.