Home / 10,631.16-14,677.56-6,855.66

Finding the Fourth Proportional to 10,631.16, 14,677.56 and 6,855.66

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Solution

The fourth proportional to 10,631.16, 14,677.56 and 6,855.66 is: 9,465.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.16 : 14,677.56 = 6,855.66 : x
  2. Step 2: Convert to fraction form
    10,631.16/14,677.56 = 6,855.66/x
  3. Step 3: Cross multiply
    10,631.16x = 14,677.56 × 6,855.66
  4. Step 4: Simplify right side
    10,631.16x = 100,624,360.99
  5. Step 5: Solve for x
    x = 100,624,360.99/10,631.16
  6. Step 6: Final answer
    x = 9,465.04

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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.