Home / 11,431.70-17,140.15-4,856.10

Finding the Fourth Proportional to 11,431.70, 17,140.15 and 4,856.10

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Solution

The fourth proportional to 11,431.70, 17,140.15 and 4,856.10 is: 7,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431.70 : 17,140.15 = 4,856.10 : x
  2. Step 2: Convert to fraction form
    11,431.70/17,140.15 = 4,856.10/x
  3. Step 3: Cross multiply
    11,431.70x = 17,140.15 × 4,856.10
  4. Step 4: Simplify right side
    11,431.70x = 83,234,282.42
  5. Step 5: Solve for x
    x = 83,234,282.42/11,431.70
  6. Step 6: Final answer
    x = 7,281.01

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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.