Home / 10,627.56-15,864.60-9,858.36

Finding the Fourth Proportional to 10,627.56, 15,864.60 and 9,858.36

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Solution

The fourth proportional to 10,627.56, 15,864.60 and 9,858.36 is: 14,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,627.56 : 15,864.60 = 9,858.36 : x
  2. Step 2: Convert to fraction form
    10,627.56/15,864.60 = 9,858.36/x
  3. Step 3: Cross multiply
    10,627.56x = 15,864.60 × 9,858.36
  4. Step 4: Simplify right side
    10,627.56x = 156,398,938.06
  5. Step 5: Solve for x
    x = 156,398,938.06/10,627.56
  6. Step 6: Final answer
    x = 14,716.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.