Home / 10,934.18-15,090.44-6,219.16

Finding the Fourth Proportional to 10,934.18, 15,090.44 and 6,219.16

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Solution

The fourth proportional to 10,934.18, 15,090.44 and 6,219.16 is: 8,583.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.18 : 15,090.44 = 6,219.16 : x
  2. Step 2: Convert to fraction form
    10,934.18/15,090.44 = 6,219.16/x
  3. Step 3: Cross multiply
    10,934.18x = 15,090.44 × 6,219.16
  4. Step 4: Simplify right side
    10,934.18x = 93,849,860.83
  5. Step 5: Solve for x
    x = 93,849,860.83/10,934.18
  6. Step 6: Final answer
    x = 8,583.16

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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.