Home / 10,812.52-16,204.65-5,543.07

Finding the Fourth Proportional to 10,812.52, 16,204.65 and 5,543.07

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Solution

The fourth proportional to 10,812.52, 16,204.65 and 5,543.07 is: 8,307.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.52 : 16,204.65 = 5,543.07 : x
  2. Step 2: Convert to fraction form
    10,812.52/16,204.65 = 5,543.07/x
  3. Step 3: Cross multiply
    10,812.52x = 16,204.65 × 5,543.07
  4. Step 4: Simplify right side
    10,812.52x = 89,823,509.28
  5. Step 5: Solve for x
    x = 89,823,509.28/10,812.52
  6. Step 6: Final answer
    x = 8,307.36

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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.