Home / 10,588.39-14,615.21-6,115.07

Finding the Fourth Proportional to 10,588.39, 14,615.21 and 6,115.07

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Solution

The fourth proportional to 10,588.39, 14,615.21 and 6,115.07 is: 8,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,588.39 : 14,615.21 = 6,115.07 : x
  2. Step 2: Convert to fraction form
    10,588.39/14,615.21 = 6,115.07/x
  3. Step 3: Cross multiply
    10,588.39x = 14,615.21 × 6,115.07
  4. Step 4: Simplify right side
    10,588.39x = 89,373,032.21
  5. Step 5: Solve for x
    x = 89,373,032.21/10,588.39
  6. Step 6: Final answer
    x = 8,440.66

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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.