Home / 12,215.26-16,842.28-10,323.50

Finding the Fourth Proportional to 12,215.26, 16,842.28 and 10,323.50

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Solution

The fourth proportional to 12,215.26, 16,842.28 and 10,323.50 is: 14,233.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215.26 : 16,842.28 = 10,323.50 : x
  2. Step 2: Convert to fraction form
    12,215.26/16,842.28 = 10,323.50/x
  3. Step 3: Cross multiply
    12,215.26x = 16,842.28 × 10,323.50
  4. Step 4: Simplify right side
    12,215.26x = 173,871,225.96
  5. Step 5: Solve for x
    x = 173,871,225.96/12,215.26
  6. Step 6: Final answer
    x = 14,233.94

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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.