Home / 10,865.51-16,277.57-6,188.74

Finding the Fourth Proportional to 10,865.51, 16,277.57 and 6,188.74

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Solution

The fourth proportional to 10,865.51, 16,277.57 and 6,188.74 is: 9,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.51 : 16,277.57 = 6,188.74 : x
  2. Step 2: Convert to fraction form
    10,865.51/16,277.57 = 6,188.74/x
  3. Step 3: Cross multiply
    10,865.51x = 16,277.57 × 6,188.74
  4. Step 4: Simplify right side
    10,865.51x = 100,737,617.62
  5. Step 5: Solve for x
    x = 100,737,617.62/10,865.51
  6. Step 6: Final answer
    x = 9,271.32

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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.