Home / 10,928.30-16,393.46-4,686.92

Finding the Fourth Proportional to 10,928.30, 16,393.46 and 4,686.92

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Solution

The fourth proportional to 10,928.30, 16,393.46 and 4,686.92 is: 7,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.30 : 16,393.46 = 4,686.92 : x
  2. Step 2: Convert to fraction form
    10,928.30/16,393.46 = 4,686.92/x
  3. Step 3: Cross multiply
    10,928.30x = 16,393.46 × 4,686.92
  4. Step 4: Simplify right side
    10,928.30x = 76,834,730.14
  5. Step 5: Solve for x
    x = 76,834,730.14/10,928.30
  6. Step 6: Final answer
    x = 7,030.81

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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.