Home / 9,720.60-14,583.54-4,458.96

Finding the Fourth Proportional to 9,720.60, 14,583.54 and 4,458.96

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Solution

The fourth proportional to 9,720.60, 14,583.54 and 4,458.96 is: 6,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.60 : 14,583.54 = 4,458.96 : x
  2. Step 2: Convert to fraction form
    9,720.60/14,583.54 = 4,458.96/x
  3. Step 3: Cross multiply
    9,720.60x = 14,583.54 × 4,458.96
  4. Step 4: Simplify right side
    9,720.60x = 65,027,421.52
  5. Step 5: Solve for x
    x = 65,027,421.52/9,720.60
  6. Step 6: Final answer
    x = 6,689.65

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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.