Home / 7,387.15-11,054.70-4,615.13

Finding the Fourth Proportional to 7,387.15, 11,054.70 and 4,615.13

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Solution

The fourth proportional to 7,387.15, 11,054.70 and 4,615.13 is: 6,906.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.15 : 11,054.70 = 4,615.13 : x
  2. Step 2: Convert to fraction form
    7,387.15/11,054.70 = 4,615.13/x
  3. Step 3: Cross multiply
    7,387.15x = 11,054.70 × 4,615.13
  4. Step 4: Simplify right side
    7,387.15x = 51,018,822.34
  5. Step 5: Solve for x
    x = 51,018,822.34/7,387.15
  6. Step 6: Final answer
    x = 6,906.43

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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.