Home / 10,467.35-15,684.61-8,900.91

Finding the Fourth Proportional to 10,467.35, 15,684.61 and 8,900.91

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Solution

The fourth proportional to 10,467.35, 15,684.61 and 8,900.91 is: 13,337.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,467.35 : 15,684.61 = 8,900.91 : x
  2. Step 2: Convert to fraction form
    10,467.35/15,684.61 = 8,900.91/x
  3. Step 3: Cross multiply
    10,467.35x = 15,684.61 × 8,900.91
  4. Step 4: Simplify right side
    10,467.35x = 139,607,302.00
  5. Step 5: Solve for x
    x = 139,607,302.00/10,467.35
  6. Step 6: Final answer
    x = 13,337.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.