Home / 9,929.54-13,702.56-5,453.26

Finding the Fourth Proportional to 9,929.54, 13,702.56 and 5,453.26

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Solution

The fourth proportional to 9,929.54, 13,702.56 and 5,453.26 is: 7,525.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.54 : 13,702.56 = 5,453.26 : x
  2. Step 2: Convert to fraction form
    9,929.54/13,702.56 = 5,453.26/x
  3. Step 3: Cross multiply
    9,929.54x = 13,702.56 × 5,453.26
  4. Step 4: Simplify right side
    9,929.54x = 74,723,622.35
  5. Step 5: Solve for x
    x = 74,723,622.35/9,929.54
  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.