Home / 12,134.04-16,750.15-8,157.46

Finding the Fourth Proportional to 12,134.04, 16,750.15 and 8,157.46

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Solution

The fourth proportional to 12,134.04, 16,750.15 and 8,157.46 is: 11,260.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.04 : 16,750.15 = 8,157.46 : x
  2. Step 2: Convert to fraction form
    12,134.04/16,750.15 = 8,157.46/x
  3. Step 3: Cross multiply
    12,134.04x = 16,750.15 × 8,157.46
  4. Step 4: Simplify right side
    12,134.04x = 136,638,725.59
  5. Step 5: Solve for x
    x = 136,638,725.59/12,134.04
  6. Step 6: Final answer
    x = 11,260.77

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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.