Home / 10,631.55-14,674.80-6,854.72

Finding the Fourth Proportional to 10,631.55, 14,674.80 and 6,854.72

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Solution

The fourth proportional to 10,631.55, 14,674.80 and 6,854.72 is: 9,461.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.55 : 14,674.80 = 6,854.72 : x
  2. Step 2: Convert to fraction form
    10,631.55/14,674.80 = 6,854.72/x
  3. Step 3: Cross multiply
    10,631.55x = 14,674.80 × 6,854.72
  4. Step 4: Simplify right side
    10,631.55x = 100,591,645.06
  5. Step 5: Solve for x
    x = 100,591,645.06/10,631.55
  6. Step 6: Final answer
    x = 9,461.62

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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.