Home / 10,055.37-13,875.93-5,579.07

Finding the Fourth Proportional to 10,055.37, 13,875.93 and 5,579.07

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Solution

The fourth proportional to 10,055.37, 13,875.93 and 5,579.07 is: 7,698.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.37 : 13,875.93 = 5,579.07 : x
  2. Step 2: Convert to fraction form
    10,055.37/13,875.93 = 5,579.07/x
  3. Step 3: Cross multiply
    10,055.37x = 13,875.93 × 5,579.07
  4. Step 4: Simplify right side
    10,055.37x = 77,414,784.79
  5. Step 5: Solve for x
    x = 77,414,784.79/10,055.37
  6. Step 6: Final answer
    x = 7,698.85

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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.