Home / 10,966.15-16,422.87-6,271.93

Finding the Fourth Proportional to 10,966.15, 16,422.87 and 6,271.93

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Solution

The fourth proportional to 10,966.15, 16,422.87 and 6,271.93 is: 9,392.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.15 : 16,422.87 = 6,271.93 : x
  2. Step 2: Convert to fraction form
    10,966.15/16,422.87 = 6,271.93/x
  3. Step 3: Cross multiply
    10,966.15x = 16,422.87 × 6,271.93
  4. Step 4: Simplify right side
    10,966.15x = 103,003,099.81
  5. Step 5: Solve for x
    x = 103,003,099.81/10,966.15
  6. Step 6: Final answer
    x = 9,392.82

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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.