Home / 9,125.60-13,688.37-2,200.10

Finding the Fourth Proportional to 9,125.60, 13,688.37 and 2,200.10

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Solution

The fourth proportional to 9,125.60, 13,688.37 and 2,200.10 is: 3,300.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.60 : 13,688.37 = 2,200.10 : x
  2. Step 2: Convert to fraction form
    9,125.60/13,688.37 = 2,200.10/x
  3. Step 3: Cross multiply
    9,125.60x = 13,688.37 × 2,200.10
  4. Step 4: Simplify right side
    9,125.60x = 30,115,714.40
  5. Step 5: Solve for x
    x = 30,115,714.40/9,125.60
  6. Step 6: Final answer
    x = 3,300.14

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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.