Home / 10,975.55-15,098.40-9,625.07

Finding the Fourth Proportional to 10,975.55, 15,098.40 and 9,625.07

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Solution

The fourth proportional to 10,975.55, 15,098.40 and 9,625.07 is: 13,240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.55 : 15,098.40 = 9,625.07 : x
  2. Step 2: Convert to fraction form
    10,975.55/15,098.40 = 9,625.07/x
  3. Step 3: Cross multiply
    10,975.55x = 15,098.40 × 9,625.07
  4. Step 4: Simplify right side
    10,975.55x = 145,323,194.63
  5. Step 5: Solve for x
    x = 145,323,194.63/10,975.55
  6. Step 6: Final answer
    x = 13,240.64

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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.