Home / 7,485.60-11,230.96-4,709.02

Finding the Fourth Proportional to 7,485.60, 11,230.96 and 4,709.02

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Solution

The fourth proportional to 7,485.60, 11,230.96 and 4,709.02 is: 7,065.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.60 : 11,230.96 = 4,709.02 : x
  2. Step 2: Convert to fraction form
    7,485.60/11,230.96 = 4,709.02/x
  3. Step 3: Cross multiply
    7,485.60x = 11,230.96 × 4,709.02
  4. Step 4: Simplify right side
    7,485.60x = 52,886,815.26
  5. Step 5: Solve for x
    x = 52,886,815.26/7,485.60
  6. Step 6: Final answer
    x = 7,065.14

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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.