Home / 8,343.02-11,515.83-4,808.72

Finding the Fourth Proportional to 8,343.02, 11,515.83 and 4,808.72

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Solution

The fourth proportional to 8,343.02, 11,515.83 and 4,808.72 is: 6,637.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.02 : 11,515.83 = 4,808.72 : x
  2. Step 2: Convert to fraction form
    8,343.02/11,515.83 = 4,808.72/x
  3. Step 3: Cross multiply
    8,343.02x = 11,515.83 × 4,808.72
  4. Step 4: Simplify right side
    8,343.02x = 55,376,402.04
  5. Step 5: Solve for x
    x = 55,376,402.04/8,343.02
  6. Step 6: Final answer
    x = 6,637.45

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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.