Home / 11,166.24-15,409.88-6,130.68

Finding the Fourth Proportional to 11,166.24, 15,409.88 and 6,130.68

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Solution

The fourth proportional to 11,166.24, 15,409.88 and 6,130.68 is: 8,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.24 : 15,409.88 = 6,130.68 : x
  2. Step 2: Convert to fraction form
    11,166.24/15,409.88 = 6,130.68/x
  3. Step 3: Cross multiply
    11,166.24x = 15,409.88 × 6,130.68
  4. Step 4: Simplify right side
    11,166.24x = 94,473,043.12
  5. Step 5: Solve for x
    x = 94,473,043.12/11,166.24
  6. Step 6: Final answer
    x = 8,460.60

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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.