Home / 10,061.21-13,886.44-6,424.92

Finding the Fourth Proportional to 10,061.21, 13,886.44 and 6,424.92

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Solution

The fourth proportional to 10,061.21, 13,886.44 and 6,424.92 is: 8,867.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061.21 : 13,886.44 = 6,424.92 : x
  2. Step 2: Convert to fraction form
    10,061.21/13,886.44 = 6,424.92/x
  3. Step 3: Cross multiply
    10,061.21x = 13,886.44 × 6,424.92
  4. Step 4: Simplify right side
    10,061.21x = 89,219,250.02
  5. Step 5: Solve for x
    x = 89,219,250.02/10,061.21
  6. Step 6: Final answer
    x = 8,867.64

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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.