Home / 46,520.34-69,780.78-11,459.76

Finding the Fourth Proportional to 46,520.34, 69,780.78 and 11,459.76

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Solution

The fourth proportional to 46,520.34, 69,780.78 and 11,459.76 is: 17,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,520.34 : 69,780.78 = 11,459.76 : x
  2. Step 2: Convert to fraction form
    46,520.34/69,780.78 = 11,459.76/x
  3. Step 3: Cross multiply
    46,520.34x = 69,780.78 × 11,459.76
  4. Step 4: Simplify right side
    46,520.34x = 799,670,991.41
  5. Step 5: Solve for x
    x = 799,670,991.41/46,520.34
  6. Step 6: Final answer
    x = 17,189.71

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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.