Home / 11,127.50-15,355.35-6,090.74

Finding the Fourth Proportional to 11,127.50, 15,355.35 and 6,090.74

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Solution

The fourth proportional to 11,127.50, 15,355.35 and 6,090.74 is: 8,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.50 : 15,355.35 = 6,090.74 : x
  2. Step 2: Convert to fraction form
    11,127.50/15,355.35 = 6,090.74/x
  3. Step 3: Cross multiply
    11,127.50x = 15,355.35 × 6,090.74
  4. Step 4: Simplify right side
    11,127.50x = 93,525,444.46
  5. Step 5: Solve for x
    x = 93,525,444.46/11,127.50
  6. Step 6: Final answer
    x = 8,404.90

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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.