Home / 10,951.93-15,114.85-6,705.85

Finding the Fourth Proportional to 10,951.93, 15,114.85 and 6,705.85

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Solution

The fourth proportional to 10,951.93, 15,114.85 and 6,705.85 is: 9,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.93 : 15,114.85 = 6,705.85 : x
  2. Step 2: Convert to fraction form
    10,951.93/15,114.85 = 6,705.85/x
  3. Step 3: Cross multiply
    10,951.93x = 15,114.85 × 6,705.85
  4. Step 4: Simplify right side
    10,951.93x = 101,357,916.87
  5. Step 5: Solve for x
    x = 101,357,916.87/10,951.93
  6. Step 6: Final answer
    x = 9,254.80

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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.