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Finding the Fourth Proportional to 11,039.18, 15,234 and 6,259.10

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Solution

The fourth proportional to 11,039.18, 15,234 and 6,259.10 is: 8,637.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.18 : 15,234 = 6,259.10 : x
  2. Step 2: Convert to fraction form
    11,039.18/15,234 = 6,259.10/x
  3. Step 3: Cross multiply
    11,039.18x = 15,234 × 6,259.10
  4. Step 4: Simplify right side
    11,039.18x = 95,351,129.40
  5. Step 5: Solve for x
    x = 95,351,129.40/11,039.18
  6. Step 6: Final answer
    x = 8,637.52

Related Problems

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Double scale
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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.