Home / 10,865.90-14,994.87-6,150.08

Finding the Fourth Proportional to 10,865.90, 14,994.87 and 6,150.08

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Solution

The fourth proportional to 10,865.90, 14,994.87 and 6,150.08 is: 8,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.90 : 14,994.87 = 6,150.08 : x
  2. Step 2: Convert to fraction form
    10,865.90/14,994.87 = 6,150.08/x
  3. Step 3: Cross multiply
    10,865.90x = 14,994.87 × 6,150.08
  4. Step 4: Simplify right side
    10,865.90x = 92,219,650.09
  5. Step 5: Solve for x
    x = 92,219,650.09/10,865.90
  6. Step 6: Final answer
    x = 8,487.07

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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.