Home / 8,570.10-11,826.08-5,212.46

Finding the Fourth Proportional to 8,570.10, 11,826.08 and 5,212.46

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Solution

The fourth proportional to 8,570.10, 11,826.08 and 5,212.46 is: 7,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,570.10 : 11,826.08 = 5,212.46 : x
  2. Step 2: Convert to fraction form
    8,570.10/11,826.08 = 5,212.46/x
  3. Step 3: Cross multiply
    8,570.10x = 11,826.08 × 5,212.46
  4. Step 4: Simplify right side
    8,570.10x = 61,642,968.96
  5. Step 5: Solve for x
    x = 61,642,968.96/8,570.10
  6. Step 6: Final answer
    x = 7,192.79

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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.