Home / 10,631.37-14,669.73-6,381.53

Finding the Fourth Proportional to 10,631.37, 14,669.73 and 6,381.53

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Solution

The fourth proportional to 10,631.37, 14,669.73 and 6,381.53 is: 8,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.37 : 14,669.73 = 6,381.53 : x
  2. Step 2: Convert to fraction form
    10,631.37/14,669.73 = 6,381.53/x
  3. Step 3: Cross multiply
    10,631.37x = 14,669.73 × 6,381.53
  4. Step 4: Simplify right side
    10,631.37x = 93,615,322.09
  5. Step 5: Solve for x
    x = 93,615,322.09/10,631.37
  6. Step 6: Final answer
    x = 8,805.57

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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.