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Finding the Fourth Proportional to 7,386.60, 11,055.60 and 5,734.20

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Solution

The fourth proportional to 7,386.60, 11,055.60 and 5,734.20 is: 8,582.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.60 : 11,055.60 = 5,734.20 : x
  2. Step 2: Convert to fraction form
    7,386.60/11,055.60 = 5,734.20/x
  3. Step 3: Cross multiply
    7,386.60x = 11,055.60 × 5,734.20
  4. Step 4: Simplify right side
    7,386.60x = 63,395,021.52
  5. Step 5: Solve for x
    x = 63,395,021.52/7,386.60
  6. Step 6: Final answer
    x = 8,582.44

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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.