Home / 11,261.86-15,532.49-10,507.34

Finding the Fourth Proportional to 11,261.86, 15,532.49 and 10,507.34

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Solution

The fourth proportional to 11,261.86, 15,532.49 and 10,507.34 is: 14,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.86 : 15,532.49 = 10,507.34 : x
  2. Step 2: Convert to fraction form
    11,261.86/15,532.49 = 10,507.34/x
  3. Step 3: Cross multiply
    11,261.86x = 15,532.49 × 10,507.34
  4. Step 4: Simplify right side
    11,261.86x = 163,205,153.48
  5. Step 5: Solve for x
    x = 163,205,153.48/11,261.86
  6. Step 6: Final answer
    x = 14,491.85

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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.