Home / 10,638.14-14,681.31-5,922.74

Finding the Fourth Proportional to 10,638.14, 14,681.31 and 5,922.74

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Solution

The fourth proportional to 10,638.14, 14,681.31 and 5,922.74 is: 8,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.14 : 14,681.31 = 5,922.74 : x
  2. Step 2: Convert to fraction form
    10,638.14/14,681.31 = 5,922.74/x
  3. Step 3: Cross multiply
    10,638.14x = 14,681.31 × 5,922.74
  4. Step 4: Simplify right side
    10,638.14x = 86,953,581.99
  5. Step 5: Solve for x
    x = 86,953,581.99/10,638.14
  6. Step 6: Final answer
    x = 8,173.76

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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.