Home / 11,111.79-16,586.58-9,710.49

Finding the Fourth Proportional to 11,111.79, 16,586.58 and 9,710.49

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Solution

The fourth proportional to 11,111.79, 16,586.58 and 9,710.49 is: 14,494.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.79 : 16,586.58 = 9,710.49 : x
  2. Step 2: Convert to fraction form
    11,111.79/16,586.58 = 9,710.49/x
  3. Step 3: Cross multiply
    11,111.79x = 16,586.58 × 9,710.49
  4. Step 4: Simplify right side
    11,111.79x = 161,063,819.22
  5. Step 5: Solve for x
    x = 161,063,819.22/11,111.79
  6. Step 6: Final answer
    x = 14,494.86

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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.