Home / 10,707.50-16,056.98-4,129.49

Finding the Fourth Proportional to 10,707.50, 16,056.98 and 4,129.49

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Solution

The fourth proportional to 10,707.50, 16,056.98 and 4,129.49 is: 6,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.50 : 16,056.98 = 4,129.49 : x
  2. Step 2: Convert to fraction form
    10,707.50/16,056.98 = 4,129.49/x
  3. Step 3: Cross multiply
    10,707.50x = 16,056.98 × 4,129.49
  4. Step 4: Simplify right side
    10,707.50x = 66,307,058.06
  5. Step 5: Solve for x
    x = 66,307,058.06/10,707.50
  6. Step 6: Final answer
    x = 6,192.58

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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.