Home / 8,288.02-11,435.51-4,702.18

Finding the Fourth Proportional to 8,288.02, 11,435.51 and 4,702.18

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Solution

The fourth proportional to 8,288.02, 11,435.51 and 4,702.18 is: 6,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.02 : 11,435.51 = 4,702.18 : x
  2. Step 2: Convert to fraction form
    8,288.02/11,435.51 = 4,702.18/x
  3. Step 3: Cross multiply
    8,288.02x = 11,435.51 × 4,702.18
  4. Step 4: Simplify right side
    8,288.02x = 53,771,826.41
  5. Step 5: Solve for x
    x = 53,771,826.41/8,288.02
  6. Step 6: Final answer
    x = 6,487.90

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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.