Home / 10,186.75-15,280.22-4,030.75

Finding the Fourth Proportional to 10,186.75, 15,280.22 and 4,030.75

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Solution

The fourth proportional to 10,186.75, 15,280.22 and 4,030.75 is: 6,046.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.75 : 15,280.22 = 4,030.75 : x
  2. Step 2: Convert to fraction form
    10,186.75/15,280.22 = 4,030.75/x
  3. Step 3: Cross multiply
    10,186.75x = 15,280.22 × 4,030.75
  4. Step 4: Simplify right side
    10,186.75x = 61,590,746.77
  5. Step 5: Solve for x
    x = 61,590,746.77/10,186.75
  6. Step 6: Final answer
    x = 6,046.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.