Home / 12,164.49-16,772.08-10,003.48

Finding the Fourth Proportional to 12,164.49, 16,772.08 and 10,003.48

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Solution

The fourth proportional to 12,164.49, 16,772.08 and 10,003.48 is: 13,792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,164.49 : 16,772.08 = 10,003.48 : x
  2. Step 2: Convert to fraction form
    12,164.49/16,772.08 = 10,003.48/x
  3. Step 3: Cross multiply
    12,164.49x = 16,772.08 × 10,003.48
  4. Step 4: Simplify right side
    12,164.49x = 167,779,166.84
  5. Step 5: Solve for x
    x = 167,779,166.84/12,164.49
  6. Step 6: Final answer
    x = 13,792.54

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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.