Home / 10,055.10-13,866.15-9,260.49

Finding the Fourth Proportional to 10,055.10, 13,866.15 and 9,260.49

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Solution

The fourth proportional to 10,055.10, 13,866.15 and 9,260.49 is: 12,770.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.10 : 13,866.15 = 9,260.49 : x
  2. Step 2: Convert to fraction form
    10,055.10/13,866.15 = 9,260.49/x
  3. Step 3: Cross multiply
    10,055.10x = 13,866.15 × 9,260.49
  4. Step 4: Simplify right side
    10,055.10x = 128,407,343.41
  5. Step 5: Solve for x
    x = 128,407,343.41/10,055.10
  6. Step 6: Final answer
    x = 12,770.37

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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.