Home / 9,039.88-12,476.10-5,263.72

Finding the Fourth Proportional to 9,039.88, 12,476.10 and 5,263.72

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Solution

The fourth proportional to 9,039.88, 12,476.10 and 5,263.72 is: 7,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.88 : 12,476.10 = 5,263.72 : x
  2. Step 2: Convert to fraction form
    9,039.88/12,476.10 = 5,263.72/x
  3. Step 3: Cross multiply
    9,039.88x = 12,476.10 × 5,263.72
  4. Step 4: Simplify right side
    9,039.88x = 65,670,697.09
  5. Step 5: Solve for x
    x = 65,670,697.09/9,039.88
  6. Step 6: Final answer
    x = 7,264.55

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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.