Home / 9,975.48-13,753.98-6,243

Finding the Fourth Proportional to 9,975.48, 13,753.98 and 6,243

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Solution

The fourth proportional to 9,975.48, 13,753.98 and 6,243 is: 8,607.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.48 : 13,753.98 = 6,243 : x
  2. Step 2: Convert to fraction form
    9,975.48/13,753.98 = 6,243/x
  3. Step 3: Cross multiply
    9,975.48x = 13,753.98 × 6,243
  4. Step 4: Simplify right side
    9,975.48x = 85,866,097.14
  5. Step 5: Solve for x
    x = 85,866,097.14/9,975.48
  6. Step 6: Final answer
    x = 8,607.72

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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.