Home / 11,193.18-15,448.10-6,477.77

Finding the Fourth Proportional to 11,193.18, 15,448.10 and 6,477.77

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Solution

The fourth proportional to 11,193.18, 15,448.10 and 6,477.77 is: 8,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.18 : 15,448.10 = 6,477.77 : x
  2. Step 2: Convert to fraction form
    11,193.18/15,448.10 = 6,477.77/x
  3. Step 3: Cross multiply
    11,193.18x = 15,448.10 × 6,477.77
  4. Step 4: Simplify right side
    11,193.18x = 100,069,129.11
  5. Step 5: Solve for x
    x = 100,069,129.11/11,193.18
  6. Step 6: Final answer
    x = 8,940.19

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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.