Home / 11,811.67-17,631.10-10,410.45

Finding the Fourth Proportional to 11,811.67, 17,631.10 and 10,410.45

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Solution

The fourth proportional to 11,811.67, 17,631.10 and 10,410.45 is: 15,539.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,811.67 : 17,631.10 = 10,410.45 : x
  2. Step 2: Convert to fraction form
    11,811.67/17,631.10 = 10,410.45/x
  3. Step 3: Cross multiply
    11,811.67x = 17,631.10 × 10,410.45
  4. Step 4: Simplify right side
    11,811.67x = 183,547,677.02
  5. Step 5: Solve for x
    x = 183,547,677.02/11,811.67
  6. Step 6: Final answer
    x = 15,539.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.