Home / 10,069.92-13,898.31-5,820.40

Finding the Fourth Proportional to 10,069.92, 13,898.31 and 5,820.40

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Solution

The fourth proportional to 10,069.92, 13,898.31 and 5,820.40 is: 8,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069.92 : 13,898.31 = 5,820.40 : x
  2. Step 2: Convert to fraction form
    10,069.92/13,898.31 = 5,820.40/x
  3. Step 3: Cross multiply
    10,069.92x = 13,898.31 × 5,820.40
  4. Step 4: Simplify right side
    10,069.92x = 80,893,654.03
  5. Step 5: Solve for x
    x = 80,893,654.03/10,069.92
  6. Step 6: Final answer
    x = 8,033.20

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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.