Home / 10,663.45-15,993.35-2,870.44

Finding the Fourth Proportional to 10,663.45, 15,993.35 and 2,870.44

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Solution

The fourth proportional to 10,663.45, 15,993.35 and 2,870.44 is: 4,305.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.45 : 15,993.35 = 2,870.44 : x
  2. Step 2: Convert to fraction form
    10,663.45/15,993.35 = 2,870.44/x
  3. Step 3: Cross multiply
    10,663.45x = 15,993.35 × 2,870.44
  4. Step 4: Simplify right side
    10,663.45x = 45,907,908.00
  5. Step 5: Solve for x
    x = 45,907,908.00/10,663.45
  6. Step 6: Final answer
    x = 4,305.17

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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.