Home / 10,912.15-15,058.40-6,196.13

Finding the Fourth Proportional to 10,912.15, 15,058.40 and 6,196.13

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Solution

The fourth proportional to 10,912.15, 15,058.40 and 6,196.13 is: 8,550.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.15 : 15,058.40 = 6,196.13 : x
  2. Step 2: Convert to fraction form
    10,912.15/15,058.40 = 6,196.13/x
  3. Step 3: Cross multiply
    10,912.15x = 15,058.40 × 6,196.13
  4. Step 4: Simplify right side
    10,912.15x = 93,303,803.99
  5. Step 5: Solve for x
    x = 93,303,803.99/10,912.15
  6. Step 6: Final answer
    x = 8,550.45

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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.