Home / 10,525.08-15,772.58-7,729.82

Finding the Fourth Proportional to 10,525.08, 15,772.58 and 7,729.82

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Solution

The fourth proportional to 10,525.08, 15,772.58 and 7,729.82 is: 11,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525.08 : 15,772.58 = 7,729.82 : x
  2. Step 2: Convert to fraction form
    10,525.08/15,772.58 = 7,729.82/x
  3. Step 3: Cross multiply
    10,525.08x = 15,772.58 × 7,729.82
  4. Step 4: Simplify right side
    10,525.08x = 121,919,204.34
  5. Step 5: Solve for x
    x = 121,919,204.34/10,525.08
  6. Step 6: Final answer
    x = 11,583.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.