Home / 10,040.40-15,054.53-4,492.71

Finding the Fourth Proportional to 10,040.40, 15,054.53 and 4,492.71

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Solution

The fourth proportional to 10,040.40, 15,054.53 and 4,492.71 is: 6,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.40 : 15,054.53 = 4,492.71 : x
  2. Step 2: Convert to fraction form
    10,040.40/15,054.53 = 4,492.71/x
  3. Step 3: Cross multiply
    10,040.40x = 15,054.53 × 4,492.71
  4. Step 4: Simplify right side
    10,040.40x = 67,635,615.01
  5. Step 5: Solve for x
    x = 67,635,615.01/10,040.40
  6. Step 6: Final answer
    x = 6,736.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.