Home / 11,965.15-16,507.48-11,946.70

Finding the Fourth Proportional to 11,965.15, 16,507.48 and 11,946.70

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Solution

The fourth proportional to 11,965.15, 16,507.48 and 11,946.70 is: 16,482.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.15 : 16,507.48 = 11,946.70 : x
  2. Step 2: Convert to fraction form
    11,965.15/16,507.48 = 11,946.70/x
  3. Step 3: Cross multiply
    11,965.15x = 16,507.48 × 11,946.70
  4. Step 4: Simplify right side
    11,965.15x = 197,209,769.05
  5. Step 5: Solve for x
    x = 197,209,769.05/11,965.15
  6. Step 6: Final answer
    x = 16,482.01

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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.