Home / 10,817.12-14,928.90-6,102.38

Finding the Fourth Proportional to 10,817.12, 14,928.90 and 6,102.38

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Solution

The fourth proportional to 10,817.12, 14,928.90 and 6,102.38 is: 8,422.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.12 : 14,928.90 = 6,102.38 : x
  2. Step 2: Convert to fraction form
    10,817.12/14,928.90 = 6,102.38/x
  3. Step 3: Cross multiply
    10,817.12x = 14,928.90 × 6,102.38
  4. Step 4: Simplify right side
    10,817.12x = 91,101,820.78
  5. Step 5: Solve for x
    x = 91,101,820.78/10,817.12
  6. Step 6: Final answer
    x = 8,422.00

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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.