Home / 11,660.63-16,074.69-8,070.12

Finding the Fourth Proportional to 11,660.63, 16,074.69 and 8,070.12

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Solution

The fourth proportional to 11,660.63, 16,074.69 and 8,070.12 is: 11,125.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.63 : 16,074.69 = 8,070.12 : x
  2. Step 2: Convert to fraction form
    11,660.63/16,074.69 = 8,070.12/x
  3. Step 3: Cross multiply
    11,660.63x = 16,074.69 × 8,070.12
  4. Step 4: Simplify right side
    11,660.63x = 129,724,677.26
  5. Step 5: Solve for x
    x = 129,724,677.26/11,660.63
  6. Step 6: Final answer
    x = 11,125.01

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Double scale
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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.