Home / 9,688.32-14,535-2,763.36

Finding the Fourth Proportional to 9,688.32, 14,535 and 2,763.36

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Solution

The fourth proportional to 9,688.32, 14,535 and 2,763.36 is: 4,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.32 : 14,535 = 2,763.36 : x
  2. Step 2: Convert to fraction form
    9,688.32/14,535 = 2,763.36/x
  3. Step 3: Cross multiply
    9,688.32x = 14,535 × 2,763.36
  4. Step 4: Simplify right side
    9,688.32x = 40,165,437.60
  5. Step 5: Solve for x
    x = 40,165,437.60/9,688.32
  6. Step 6: Final answer
    x = 4,145.76

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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.