Home / 12,892.36-19,335-4,571.26

Finding the Fourth Proportional to 12,892.36, 19,335 and 4,571.26

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Solution

The fourth proportional to 12,892.36, 19,335 and 4,571.26 is: 6,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892.36 : 19,335 = 4,571.26 : x
  2. Step 2: Convert to fraction form
    12,892.36/19,335 = 4,571.26/x
  3. Step 3: Cross multiply
    12,892.36x = 19,335 × 4,571.26
  4. Step 4: Simplify right side
    12,892.36x = 88,385,312.10
  5. Step 5: Solve for x
    x = 88,385,312.10/12,892.36
  6. Step 6: Final answer
    x = 6,855.63

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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.