Home / 11,127.43-15,357.54-6,347.35

Finding the Fourth Proportional to 11,127.43, 15,357.54 and 6,347.35

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Solution

The fourth proportional to 11,127.43, 15,357.54 and 6,347.35 is: 8,760.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.43 : 15,357.54 = 6,347.35 : x
  2. Step 2: Convert to fraction form
    11,127.43/15,357.54 = 6,347.35/x
  3. Step 3: Cross multiply
    11,127.43x = 15,357.54 × 6,347.35
  4. Step 4: Simplify right side
    11,127.43x = 97,479,681.52
  5. Step 5: Solve for x
    x = 97,479,681.52/11,127.43
  6. Step 6: Final answer
    x = 8,760.31

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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.