Home / 9,079.94-12,530.76-5,303.05

Finding the Fourth Proportional to 9,079.94, 12,530.76 and 5,303.05

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Solution

The fourth proportional to 9,079.94, 12,530.76 and 5,303.05 is: 7,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.94 : 12,530.76 = 5,303.05 : x
  2. Step 2: Convert to fraction form
    9,079.94/12,530.76 = 5,303.05/x
  3. Step 3: Cross multiply
    9,079.94x = 12,530.76 × 5,303.05
  4. Step 4: Simplify right side
    9,079.94x = 66,451,246.82
  5. Step 5: Solve for x
    x = 66,451,246.82/9,079.94
  6. Step 6: Final answer
    x = 7,318.47

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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.