Home / 11,895.93-16,423.02-8,124.75

Finding the Fourth Proportional to 11,895.93, 16,423.02 and 8,124.75

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Solution

The fourth proportional to 11,895.93, 16,423.02 and 8,124.75 is: 11,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.93 : 16,423.02 = 8,124.75 : x
  2. Step 2: Convert to fraction form
    11,895.93/16,423.02 = 8,124.75/x
  3. Step 3: Cross multiply
    11,895.93x = 16,423.02 × 8,124.75
  4. Step 4: Simplify right side
    11,895.93x = 133,432,931.75
  5. Step 5: Solve for x
    x = 133,432,931.75/11,895.93
  6. Step 6: Final answer
    x = 11,216.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.