Home / 6,919.02-10,376.10-5,529.06

Finding the Fourth Proportional to 6,919.02, 10,376.10 and 5,529.06

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Solution

The fourth proportional to 6,919.02, 10,376.10 and 5,529.06 is: 8,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.02 : 10,376.10 = 5,529.06 : x
  2. Step 2: Convert to fraction form
    6,919.02/10,376.10 = 5,529.06/x
  3. Step 3: Cross multiply
    6,919.02x = 10,376.10 × 5,529.06
  4. Step 4: Simplify right side
    6,919.02x = 57,370,079.47
  5. Step 5: Solve for x
    x = 57,370,079.47/6,919.02
  6. Step 6: Final answer
    x = 8,291.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.