Home / 11,666.53-17,499.80-3,875.34

Finding the Fourth Proportional to 11,666.53, 17,499.80 and 3,875.34

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Solution

The fourth proportional to 11,666.53, 17,499.80 and 3,875.34 is: 5,813.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,666.53 : 17,499.80 = 3,875.34 : x
  2. Step 2: Convert to fraction form
    11,666.53/17,499.80 = 3,875.34/x
  3. Step 3: Cross multiply
    11,666.53x = 17,499.80 × 3,875.34
  4. Step 4: Simplify right side
    11,666.53x = 67,817,728.45
  5. Step 5: Solve for x
    x = 67,817,728.45/11,666.53
  6. Step 6: Final answer
    x = 5,813.02

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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.