Home / 10,902.45-16,335.45-10,246.35

Finding the Fourth Proportional to 10,902.45, 16,335.45 and 10,246.35

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Solution

The fourth proportional to 10,902.45, 16,335.45 and 10,246.35 is: 15,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.45 : 16,335.45 = 10,246.35 : x
  2. Step 2: Convert to fraction form
    10,902.45/16,335.45 = 10,246.35/x
  3. Step 3: Cross multiply
    10,902.45x = 16,335.45 × 10,246.35
  4. Step 4: Simplify right side
    10,902.45x = 167,378,738.11
  5. Step 5: Solve for x
    x = 167,378,738.11/10,902.45
  6. Step 6: Final answer
    x = 15,352.40

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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.