Home / 11,130.54-15,360.13-6,162.54

Finding the Fourth Proportional to 11,130.54, 15,360.13 and 6,162.54

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Solution

The fourth proportional to 11,130.54, 15,360.13 and 6,162.54 is: 8,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.54 : 15,360.13 = 6,162.54 : x
  2. Step 2: Convert to fraction form
    11,130.54/15,360.13 = 6,162.54/x
  3. Step 3: Cross multiply
    11,130.54x = 15,360.13 × 6,162.54
  4. Step 4: Simplify right side
    11,130.54x = 94,657,415.53
  5. Step 5: Solve for x
    x = 94,657,415.53/11,130.54
  6. Step 6: Final answer
    x = 8,504.30

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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.