Home / 12,610.07-18,915.10-4,712.26

Finding the Fourth Proportional to 12,610.07, 18,915.10 and 4,712.26

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Solution

The fourth proportional to 12,610.07, 18,915.10 and 4,712.26 is: 7,068.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.07 : 18,915.10 = 4,712.26 : x
  2. Step 2: Convert to fraction form
    12,610.07/18,915.10 = 4,712.26/x
  3. Step 3: Cross multiply
    12,610.07x = 18,915.10 × 4,712.26
  4. Step 4: Simplify right side
    12,610.07x = 89,132,845.56
  5. Step 5: Solve for x
    x = 89,132,845.56/12,610.07
  6. Step 6: Final answer
    x = 7,068.39

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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.