Home / 10,799.12-14,905.56-7,031.69

Finding the Fourth Proportional to 10,799.12, 14,905.56 and 7,031.69

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Solution

The fourth proportional to 10,799.12, 14,905.56 and 7,031.69 is: 9,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,799.12 : 14,905.56 = 7,031.69 : x
  2. Step 2: Convert to fraction form
    10,799.12/14,905.56 = 7,031.69/x
  3. Step 3: Cross multiply
    10,799.12x = 14,905.56 × 7,031.69
  4. Step 4: Simplify right side
    10,799.12x = 104,811,202.67
  5. Step 5: Solve for x
    x = 104,811,202.67/10,799.12
  6. Step 6: Final answer
    x = 9,705.54

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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.