Home / 9,702.18-13,386.87-6,170.58

Finding the Fourth Proportional to 9,702.18, 13,386.87 and 6,170.58

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Solution

The fourth proportional to 9,702.18, 13,386.87 and 6,170.58 is: 8,514.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,702.18 : 13,386.87 = 6,170.58 : x
  2. Step 2: Convert to fraction form
    9,702.18/13,386.87 = 6,170.58/x
  3. Step 3: Cross multiply
    9,702.18x = 13,386.87 × 6,170.58
  4. Step 4: Simplify right side
    9,702.18x = 82,604,752.28
  5. Step 5: Solve for x
    x = 82,604,752.28/9,702.18
  6. Step 6: Final answer
    x = 8,514.04

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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.