Home / 12,545.88-17,316.01-7,511.22

Finding the Fourth Proportional to 12,545.88, 17,316.01 and 7,511.22

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Solution

The fourth proportional to 12,545.88, 17,316.01 and 7,511.22 is: 10,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.88 : 17,316.01 = 7,511.22 : x
  2. Step 2: Convert to fraction form
    12,545.88/17,316.01 = 7,511.22/x
  3. Step 3: Cross multiply
    12,545.88x = 17,316.01 × 7,511.22
  4. Step 4: Simplify right side
    12,545.88x = 130,064,341.85
  5. Step 5: Solve for x
    x = 130,064,341.85/12,545.88
  6. Step 6: Final answer
    x = 10,367.10

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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.