Home / 10,496.12-14,483.43-6,515.78

Finding the Fourth Proportional to 10,496.12, 14,483.43 and 6,515.78

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Solution

The fourth proportional to 10,496.12, 14,483.43 and 6,515.78 is: 8,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,496.12 : 14,483.43 = 6,515.78 : x
  2. Step 2: Convert to fraction form
    10,496.12/14,483.43 = 6,515.78/x
  3. Step 3: Cross multiply
    10,496.12x = 14,483.43 × 6,515.78
  4. Step 4: Simplify right side
    10,496.12x = 94,370,771.11
  5. Step 5: Solve for x
    x = 94,370,771.11/10,496.12
  6. Step 6: Final answer
    x = 8,991.02

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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.