Home / 11,919.41-17,875.70-4,803.63

Finding the Fourth Proportional to 11,919.41, 17,875.70 and 4,803.63

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Solution

The fourth proportional to 11,919.41, 17,875.70 and 4,803.63 is: 7,204.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,919.41 : 17,875.70 = 4,803.63 : x
  2. Step 2: Convert to fraction form
    11,919.41/17,875.70 = 4,803.63/x
  3. Step 3: Cross multiply
    11,919.41x = 17,875.70 × 4,803.63
  4. Step 4: Simplify right side
    11,919.41x = 85,868,248.79
  5. Step 5: Solve for x
    x = 85,868,248.79/11,919.41
  6. Step 6: Final answer
    x = 7,204.07

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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.