Home / 10,849.40-14,964.36-7,065.56

Finding the Fourth Proportional to 10,849.40, 14,964.36 and 7,065.56

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Solution

The fourth proportional to 10,849.40, 14,964.36 and 7,065.56 is: 9,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,849.40 : 14,964.36 = 7,065.56 : x
  2. Step 2: Convert to fraction form
    10,849.40/14,964.36 = 7,065.56/x
  3. Step 3: Cross multiply
    10,849.40x = 14,964.36 × 7,065.56
  4. Step 4: Simplify right side
    10,849.40x = 105,731,583.44
  5. Step 5: Solve for x
    x = 105,731,583.44/10,849.40
  6. Step 6: Final answer
    x = 9,745.39

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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.