Home / 12,929.41-17,842.60-7,264.16

Finding the Fourth Proportional to 12,929.41, 17,842.60 and 7,264.16

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Solution

The fourth proportional to 12,929.41, 17,842.60 and 7,264.16 is: 10,024.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.41 : 17,842.60 = 7,264.16 : x
  2. Step 2: Convert to fraction form
    12,929.41/17,842.60 = 7,264.16/x
  3. Step 3: Cross multiply
    12,929.41x = 17,842.60 × 7,264.16
  4. Step 4: Simplify right side
    12,929.41x = 129,611,393.84
  5. Step 5: Solve for x
    x = 129,611,393.84/12,929.41
  6. Step 6: Final answer
    x = 10,024.54

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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.