Home / 10,127.07-13,963.77-8,531.37

Finding the Fourth Proportional to 10,127.07, 13,963.77 and 8,531.37

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Solution

The fourth proportional to 10,127.07, 13,963.77 and 8,531.37 is: 11,763.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.07 : 13,963.77 = 8,531.37 : x
  2. Step 2: Convert to fraction form
    10,127.07/13,963.77 = 8,531.37/x
  3. Step 3: Cross multiply
    10,127.07x = 13,963.77 × 8,531.37
  4. Step 4: Simplify right side
    10,127.07x = 119,130,088.46
  5. Step 5: Solve for x
    x = 119,130,088.46/10,127.07
  6. Step 6: Final answer
    x = 11,763.53

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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.