Home / 11,143.02-15,376.96-6,107.10

Finding the Fourth Proportional to 11,143.02, 15,376.96 and 6,107.10

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Solution

The fourth proportional to 11,143.02, 15,376.96 and 6,107.10 is: 8,427.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,143.02 : 15,376.96 = 6,107.10 : x
  2. Step 2: Convert to fraction form
    11,143.02/15,376.96 = 6,107.10/x
  3. Step 3: Cross multiply
    11,143.02x = 15,376.96 × 6,107.10
  4. Step 4: Simplify right side
    11,143.02x = 93,908,632.42
  5. Step 5: Solve for x
    x = 93,908,632.42/11,143.02
  6. Step 6: Final answer
    x = 8,427.57

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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.