Home / 10,895.16-15,035.28-6,179.40

Finding the Fourth Proportional to 10,895.16, 15,035.28 and 6,179.40

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Solution

The fourth proportional to 10,895.16, 15,035.28 and 6,179.40 is: 8,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.16 : 15,035.28 = 6,179.40 : x
  2. Step 2: Convert to fraction form
    10,895.16/15,035.28 = 6,179.40/x
  3. Step 3: Cross multiply
    10,895.16x = 15,035.28 × 6,179.40
  4. Step 4: Simplify right side
    10,895.16x = 92,909,009.23
  5. Step 5: Solve for x
    x = 92,909,009.23/10,895.16
  6. Step 6: Final answer
    x = 8,527.55

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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.