Home / 9,943.02-13,722.66-6,416.46

Finding the Fourth Proportional to 9,943.02, 13,722.66 and 6,416.46

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Solution

The fourth proportional to 9,943.02, 13,722.66 and 6,416.46 is: 8,855.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.02 : 13,722.66 = 6,416.46 : x
  2. Step 2: Convert to fraction form
    9,943.02/13,722.66 = 6,416.46/x
  3. Step 3: Cross multiply
    9,943.02x = 13,722.66 × 6,416.46
  4. Step 4: Simplify right side
    9,943.02x = 88,050,898.98
  5. Step 5: Solve for x
    x = 88,050,898.98/9,943.02
  6. Step 6: Final answer
    x = 8,855.55

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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.