Home / 10,957.46-15,122.63-6,178.33

Finding the Fourth Proportional to 10,957.46, 15,122.63 and 6,178.33

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Solution

The fourth proportional to 10,957.46, 15,122.63 and 6,178.33 is: 8,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,957.46 : 15,122.63 = 6,178.33 : x
  2. Step 2: Convert to fraction form
    10,957.46/15,122.63 = 6,178.33/x
  3. Step 3: Cross multiply
    10,957.46x = 15,122.63 × 6,178.33
  4. Step 4: Simplify right side
    10,957.46x = 93,432,529.91
  5. Step 5: Solve for x
    x = 93,432,529.91/10,957.46
  6. Step 6: Final answer
    x = 8,526.84

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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.