Home / 10,539.27-15,816.71-4,992.63

Finding the Fourth Proportional to 10,539.27, 15,816.71 and 4,992.63

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Solution

The fourth proportional to 10,539.27, 15,816.71 and 4,992.63 is: 7,492.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.27 : 15,816.71 = 4,992.63 : x
  2. Step 2: Convert to fraction form
    10,539.27/15,816.71 = 4,992.63/x
  3. Step 3: Cross multiply
    10,539.27x = 15,816.71 × 4,992.63
  4. Step 4: Simplify right side
    10,539.27x = 78,966,955.88
  5. Step 5: Solve for x
    x = 78,966,955.88/10,539.27
  6. Step 6: Final answer
    x = 7,492.64

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1.5x scale

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.