Home / 9,890.83-13,649.52-6,748.03

Finding the Fourth Proportional to 9,890.83, 13,649.52 and 6,748.03

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Solution

The fourth proportional to 9,890.83, 13,649.52 and 6,748.03 is: 9,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.83 : 13,649.52 = 6,748.03 : x
  2. Step 2: Convert to fraction form
    9,890.83/13,649.52 = 6,748.03/x
  3. Step 3: Cross multiply
    9,890.83x = 13,649.52 × 6,748.03
  4. Step 4: Simplify right side
    9,890.83x = 92,107,370.45
  5. Step 5: Solve for x
    x = 92,107,370.45/9,890.83
  6. Step 6: Final answer
    x = 9,312.40

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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.