Home / 10,124.54-13,971.94-6,143

Finding the Fourth Proportional to 10,124.54, 13,971.94 and 6,143

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Solution

The fourth proportional to 10,124.54, 13,971.94 and 6,143 is: 8,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.54 : 13,971.94 = 6,143 : x
  2. Step 2: Convert to fraction form
    10,124.54/13,971.94 = 6,143/x
  3. Step 3: Cross multiply
    10,124.54x = 13,971.94 × 6,143
  4. Step 4: Simplify right side
    10,124.54x = 85,829,627.42
  5. Step 5: Solve for x
    x = 85,829,627.42/10,124.54
  6. Step 6: Final answer
    x = 8,477.39

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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.