Home / 9,929.60-13,703.06-5,453.36

Finding the Fourth Proportional to 9,929.60, 13,703.06 and 5,453.36

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Solution

The fourth proportional to 9,929.60, 13,703.06 and 5,453.36 is: 7,525.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.60 : 13,703.06 = 5,453.36 : x
  2. Step 2: Convert to fraction form
    9,929.60/13,703.06 = 5,453.36/x
  3. Step 3: Cross multiply
    9,929.60x = 13,703.06 × 5,453.36
  4. Step 4: Simplify right side
    9,929.60x = 74,727,719.28
  5. Step 5: Solve for x
    x = 74,727,719.28/9,929.60
  6. Step 6: Final answer
    x = 7,525.75

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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.