Home / 11,310.43-15,575.50-10,588.40

Finding the Fourth Proportional to 11,310.43, 15,575.50 and 10,588.40

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Solution

The fourth proportional to 11,310.43, 15,575.50 and 10,588.40 is: 14,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.43 : 15,575.50 = 10,588.40 : x
  2. Step 2: Convert to fraction form
    11,310.43/15,575.50 = 10,588.40/x
  3. Step 3: Cross multiply
    11,310.43x = 15,575.50 × 10,588.40
  4. Step 4: Simplify right side
    11,310.43x = 164,919,624.20
  5. Step 5: Solve for x
    x = 164,919,624.20/11,310.43
  6. Step 6: Final answer
    x = 14,581.20

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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.