Home / 12,916.03-17,822.01-7,610.13

Finding the Fourth Proportional to 12,916.03, 17,822.01 and 7,610.13

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Solution

The fourth proportional to 12,916.03, 17,822.01 and 7,610.13 is: 10,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916.03 : 17,822.01 = 7,610.13 : x
  2. Step 2: Convert to fraction form
    12,916.03/17,822.01 = 7,610.13/x
  3. Step 3: Cross multiply
    12,916.03x = 17,822.01 × 7,610.13
  4. Step 4: Simplify right side
    12,916.03x = 135,627,812.96
  5. Step 5: Solve for x
    x = 135,627,812.96/12,916.03
  6. Step 6: Final answer
    x = 10,500.74

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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.