Home / 9,118.02-12,576.49-5,582.98

Finding the Fourth Proportional to 9,118.02, 12,576.49 and 5,582.98

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Solution

The fourth proportional to 9,118.02, 12,576.49 and 5,582.98 is: 7,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.02 : 12,576.49 = 5,582.98 : x
  2. Step 2: Convert to fraction form
    9,118.02/12,576.49 = 5,582.98/x
  3. Step 3: Cross multiply
    9,118.02x = 12,576.49 × 5,582.98
  4. Step 4: Simplify right side
    9,118.02x = 70,214,292.14
  5. Step 5: Solve for x
    x = 70,214,292.14/9,118.02
  6. Step 6: Final answer
    x = 7,700.61

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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.