Home / 10,043.74-13,869.80-6,464.94

Finding the Fourth Proportional to 10,043.74, 13,869.80 and 6,464.94

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Solution

The fourth proportional to 10,043.74, 13,869.80 and 6,464.94 is: 8,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,043.74 : 13,869.80 = 6,464.94 : x
  2. Step 2: Convert to fraction form
    10,043.74/13,869.80 = 6,464.94/x
  3. Step 3: Cross multiply
    10,043.74x = 13,869.80 × 6,464.94
  4. Step 4: Simplify right side
    10,043.74x = 89,667,424.81
  5. Step 5: Solve for x
    x = 89,667,424.81/10,043.74
  6. Step 6: Final answer
    x = 8,927.69

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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.