Home / 10,888.72-15,026.58-6,412.48

Finding the Fourth Proportional to 10,888.72, 15,026.58 and 6,412.48

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Solution

The fourth proportional to 10,888.72, 15,026.58 and 6,412.48 is: 8,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.72 : 15,026.58 = 6,412.48 : x
  2. Step 2: Convert to fraction form
    10,888.72/15,026.58 = 6,412.48/x
  3. Step 3: Cross multiply
    10,888.72x = 15,026.58 × 6,412.48
  4. Step 4: Simplify right side
    10,888.72x = 96,357,643.72
  5. Step 5: Solve for x
    x = 96,357,643.72/10,888.72
  6. Step 6: Final answer
    x = 8,849.31

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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.