Home / 9,929.50-13,703.07-5,453.66

Finding the Fourth Proportional to 9,929.50, 13,703.07 and 5,453.66

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Solution

The fourth proportional to 9,929.50, 13,703.07 and 5,453.66 is: 7,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929.50 : 13,703.07 = 5,453.66 : x
  2. Step 2: Convert to fraction form
    9,929.50/13,703.07 = 5,453.66/x
  3. Step 3: Cross multiply
    9,929.50x = 13,703.07 × 5,453.66
  4. Step 4: Simplify right side
    9,929.50x = 74,731,884.74
  5. Step 5: Solve for x
    x = 74,731,884.74/9,929.50
  6. Step 6: Final answer
    x = 7,526.25

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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.