Home / 10,415.67-14,392.13-9,087.27

Finding the Fourth Proportional to 10,415.67, 14,392.13 and 9,087.27

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Solution

The fourth proportional to 10,415.67, 14,392.13 and 9,087.27 is: 12,556.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,415.67 : 14,392.13 = 9,087.27 : x
  2. Step 2: Convert to fraction form
    10,415.67/14,392.13 = 9,087.27/x
  3. Step 3: Cross multiply
    10,415.67x = 14,392.13 × 9,087.27
  4. Step 4: Simplify right side
    10,415.67x = 130,785,125.75
  5. Step 5: Solve for x
    x = 130,785,125.75/10,415.67
  6. Step 6: Final answer
    x = 12,556.57

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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.