Home / 10,631.16-14,672.34-6,384.60

Finding the Fourth Proportional to 10,631.16, 14,672.34 and 6,384.60

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Solution

The fourth proportional to 10,631.16, 14,672.34 and 6,384.60 is: 8,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.16 : 14,672.34 = 6,384.60 : x
  2. Step 2: Convert to fraction form
    10,631.16/14,672.34 = 6,384.60/x
  3. Step 3: Cross multiply
    10,631.16x = 14,672.34 × 6,384.60
  4. Step 4: Simplify right side
    10,631.16x = 93,677,021.96
  5. Step 5: Solve for x
    x = 93,677,021.96/10,631.16
  6. Step 6: Final answer
    x = 8,811.55

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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.