Home / 10,888.31-15,026.36-6,412.25

Finding the Fourth Proportional to 10,888.31, 15,026.36 and 6,412.25

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Solution

The fourth proportional to 10,888.31, 15,026.36 and 6,412.25 is: 8,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.31 : 15,026.36 = 6,412.25 : x
  2. Step 2: Convert to fraction form
    10,888.31/15,026.36 = 6,412.25/x
  3. Step 3: Cross multiply
    10,888.31x = 15,026.36 × 6,412.25
  4. Step 4: Simplify right side
    10,888.31x = 96,352,669.72
  5. Step 5: Solve for x
    x = 96,352,669.72/10,888.31
  6. Step 6: Final answer
    x = 8,849.19

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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.