Home / 11,026.03-16,539.10-5,478.07

Finding the Fourth Proportional to 11,026.03, 16,539.10 and 5,478.07

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Solution

The fourth proportional to 11,026.03, 16,539.10 and 5,478.07 is: 8,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.03 : 16,539.10 = 5,478.07 : x
  2. Step 2: Convert to fraction form
    11,026.03/16,539.10 = 5,478.07/x
  3. Step 3: Cross multiply
    11,026.03x = 16,539.10 × 5,478.07
  4. Step 4: Simplify right side
    11,026.03x = 90,602,347.54
  5. Step 5: Solve for x
    x = 90,602,347.54/11,026.03
  6. Step 6: Final answer
    x = 8,217.13

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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.