Home / 10,084.64-13,915.56-6,107.60

Finding the Fourth Proportional to 10,084.64, 13,915.56 and 6,107.60

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Solution

The fourth proportional to 10,084.64, 13,915.56 and 6,107.60 is: 8,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.64 : 13,915.56 = 6,107.60 : x
  2. Step 2: Convert to fraction form
    10,084.64/13,915.56 = 6,107.60/x
  3. Step 3: Cross multiply
    10,084.64x = 13,915.56 × 6,107.60
  4. Step 4: Simplify right side
    10,084.64x = 84,990,674.26
  5. Step 5: Solve for x
    x = 84,990,674.26/10,084.64
  6. Step 6: Final answer
    x = 8,427.74

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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.