Home / 10,438.84-14,405.66-5,723.08

Finding the Fourth Proportional to 10,438.84, 14,405.66 and 5,723.08

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Solution

The fourth proportional to 10,438.84, 14,405.66 and 5,723.08 is: 7,897.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.84 : 14,405.66 = 5,723.08 : x
  2. Step 2: Convert to fraction form
    10,438.84/14,405.66 = 5,723.08/x
  3. Step 3: Cross multiply
    10,438.84x = 14,405.66 × 5,723.08
  4. Step 4: Simplify right side
    10,438.84x = 82,444,744.63
  5. Step 5: Solve for x
    x = 82,444,744.63/10,438.84
  6. Step 6: Final answer
    x = 7,897.88

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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.