Home / 9,835.65-13,572-5,585.18

Finding the Fourth Proportional to 9,835.65, 13,572 and 5,585.18

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Solution

The fourth proportional to 9,835.65, 13,572 and 5,585.18 is: 7,706.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,835.65 : 13,572 = 5,585.18 : x
  2. Step 2: Convert to fraction form
    9,835.65/13,572 = 5,585.18/x
  3. Step 3: Cross multiply
    9,835.65x = 13,572 × 5,585.18
  4. Step 4: Simplify right side
    9,835.65x = 75,801,995.10
  5. Step 5: Solve for x
    x = 75,801,995.10/9,835.65
  6. Step 6: Final answer
    x = 7,706.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.