Home / 8,586.19-12,845.40-6,512.05

Finding the Fourth Proportional to 8,586.19, 12,845.40 and 6,512.05

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Solution

The fourth proportional to 8,586.19, 12,845.40 and 6,512.05 is: 9,742.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.19 : 12,845.40 = 6,512.05 : x
  2. Step 2: Convert to fraction form
    8,586.19/12,845.40 = 6,512.05/x
  3. Step 3: Cross multiply
    8,586.19x = 12,845.40 × 6,512.05
  4. Step 4: Simplify right side
    8,586.19x = 83,649,887.07
  5. Step 5: Solve for x
    x = 83,649,887.07/8,586.19
  6. Step 6: Final answer
    x = 9,742.38

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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.