Home / 10,247.36-14,142.74-6,269.76

Finding the Fourth Proportional to 10,247.36, 14,142.74 and 6,269.76

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Solution

The fourth proportional to 10,247.36, 14,142.74 and 6,269.76 is: 8,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.36 : 14,142.74 = 6,269.76 : x
  2. Step 2: Convert to fraction form
    10,247.36/14,142.74 = 6,269.76/x
  3. Step 3: Cross multiply
    10,247.36x = 14,142.74 × 6,269.76
  4. Step 4: Simplify right side
    10,247.36x = 88,671,554.19
  5. Step 5: Solve for x
    x = 88,671,554.19/10,247.36
  6. Step 6: Final answer
    x = 8,653.12

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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.