Home / 11,343.84-15,655.46-6,307.92

Finding the Fourth Proportional to 11,343.84, 15,655.46 and 6,307.92

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Solution

The fourth proportional to 11,343.84, 15,655.46 and 6,307.92 is: 8,705.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.84 : 15,655.46 = 6,307.92 : x
  2. Step 2: Convert to fraction form
    11,343.84/15,655.46 = 6,307.92/x
  3. Step 3: Cross multiply
    11,343.84x = 15,655.46 × 6,307.92
  4. Step 4: Simplify right side
    11,343.84x = 98,753,389.24
  5. Step 5: Solve for x
    x = 98,753,389.24/11,343.84
  6. Step 6: Final answer
    x = 8,705.46

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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.