Home / 10,346.90-15,520.35-8,014.10

Finding the Fourth Proportional to 10,346.90, 15,520.35 and 8,014.10

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Solution

The fourth proportional to 10,346.90, 15,520.35 and 8,014.10 is: 12,021.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.90 : 15,520.35 = 8,014.10 : x
  2. Step 2: Convert to fraction form
    10,346.90/15,520.35 = 8,014.10/x
  3. Step 3: Cross multiply
    10,346.90x = 15,520.35 × 8,014.10
  4. Step 4: Simplify right side
    10,346.90x = 124,381,636.94
  5. Step 5: Solve for x
    x = 124,381,636.94/10,346.90
  6. Step 6: Final answer
    x = 12,021.15

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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.