Home / 10,378.77-15,562.35-7,095.84

Finding the Fourth Proportional to 10,378.77, 15,562.35 and 7,095.84

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Solution

The fourth proportional to 10,378.77, 15,562.35 and 7,095.84 is: 10,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.77 : 15,562.35 = 7,095.84 : x
  2. Step 2: Convert to fraction form
    10,378.77/15,562.35 = 7,095.84/x
  3. Step 3: Cross multiply
    10,378.77x = 15,562.35 × 7,095.84
  4. Step 4: Simplify right side
    10,378.77x = 110,427,945.62
  5. Step 5: Solve for x
    x = 110,427,945.62/10,378.77
  6. Step 6: Final answer
    x = 10,639.79

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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.