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Finding the Fourth Proportional to 9,343.76, 12,893.90 and 5,094.60

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Solution

The fourth proportional to 9,343.76, 12,893.90 and 5,094.60 is: 7,030.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.76 : 12,893.90 = 5,094.60 : x
  2. Step 2: Convert to fraction form
    9,343.76/12,893.90 = 5,094.60/x
  3. Step 3: Cross multiply
    9,343.76x = 12,893.90 × 5,094.60
  4. Step 4: Simplify right side
    9,343.76x = 65,689,237.47
  5. Step 5: Solve for x
    x = 65,689,237.47/9,343.76
  6. Step 6: Final answer
    x = 7,030.28

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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.