Home / 9,312.45-13,969.10-3,073.01

Finding the Fourth Proportional to 9,312.45, 13,969.10 and 3,073.01

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Solution

The fourth proportional to 9,312.45, 13,969.10 and 3,073.01 is: 4,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.45 : 13,969.10 = 3,073.01 : x
  2. Step 2: Convert to fraction form
    9,312.45/13,969.10 = 3,073.01/x
  3. Step 3: Cross multiply
    9,312.45x = 13,969.10 × 3,073.01
  4. Step 4: Simplify right side
    9,312.45x = 42,927,126.15
  5. Step 5: Solve for x
    x = 42,927,126.15/9,312.45
  6. Step 6: Final answer
    x = 4,609.65

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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.