Home / 8,148.02-11,240.22-5,632.70

Finding the Fourth Proportional to 8,148.02, 11,240.22 and 5,632.70

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Solution

The fourth proportional to 8,148.02, 11,240.22 and 5,632.70 is: 7,770.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.02 : 11,240.22 = 5,632.70 : x
  2. Step 2: Convert to fraction form
    8,148.02/11,240.22 = 5,632.70/x
  3. Step 3: Cross multiply
    8,148.02x = 11,240.22 × 5,632.70
  4. Step 4: Simplify right side
    8,148.02x = 63,312,787.19
  5. Step 5: Solve for x
    x = 63,312,787.19/8,148.02
  6. Step 6: Final answer
    x = 7,770.33

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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.