Home / 10,553.22-14,553.81-9,060.66

Finding the Fourth Proportional to 10,553.22, 14,553.81 and 9,060.66

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Solution

The fourth proportional to 10,553.22, 14,553.81 and 9,060.66 is: 12,495.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.22 : 14,553.81 = 9,060.66 : x
  2. Step 2: Convert to fraction form
    10,553.22/14,553.81 = 9,060.66/x
  3. Step 3: Cross multiply
    10,553.22x = 14,553.81 × 9,060.66
  4. Step 4: Simplify right side
    10,553.22x = 131,867,124.11
  5. Step 5: Solve for x
    x = 131,867,124.11/10,553.22
  6. Step 6: Final answer
    x = 12,495.44

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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.