Home / 9,929.13-13,702.22-5,453.18

Finding the Fourth Proportional to 9,929.13, 13,702.22 and 5,453.18

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Solution

The fourth proportional to 9,929.13, 13,702.22 and 5,453.18 is: 7,525.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.13 : 13,702.22 = 5,453.18 : x
  2. Step 2: Convert to fraction form
    9,929.13/13,702.22 = 5,453.18/x
  3. Step 3: Cross multiply
    9,929.13x = 13,702.22 × 5,453.18
  4. Step 4: Simplify right side
    9,929.13x = 74,720,576.28
  5. Step 5: Solve for x
    x = 74,720,576.28/9,929.13
  6. Step 6: Final answer
    x = 7,525.39

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1.5x scale

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.