Home / 10,200.10-15,268.14-7,018.92

Finding the Fourth Proportional to 10,200.10, 15,268.14 and 7,018.92

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Solution

The fourth proportional to 10,200.10, 15,268.14 and 7,018.92 is: 10,506.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.10 : 15,268.14 = 7,018.92 : x
  2. Step 2: Convert to fraction form
    10,200.10/15,268.14 = 7,018.92/x
  3. Step 3: Cross multiply
    10,200.10x = 15,268.14 × 7,018.92
  4. Step 4: Simplify right side
    10,200.10x = 107,165,853.21
  5. Step 5: Solve for x
    x = 107,165,853.21/10,200.10
  6. Step 6: Final answer
    x = 10,506.35

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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.