Home / 10,246.64-15,378.16-4,702.60

Finding the Fourth Proportional to 10,246.64, 15,378.16 and 4,702.60

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Solution

The fourth proportional to 10,246.64, 15,378.16 and 4,702.60 is: 7,057.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,246.64 : 15,378.16 = 4,702.60 : x
  2. Step 2: Convert to fraction form
    10,246.64/15,378.16 = 4,702.60/x
  3. Step 3: Cross multiply
    10,246.64x = 15,378.16 × 4,702.60
  4. Step 4: Simplify right side
    10,246.64x = 72,317,335.22
  5. Step 5: Solve for x
    x = 72,317,335.22/10,246.64
  6. Step 6: Final answer
    x = 7,057.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.