Home / 8,975.09-12,386.16-4,996.10

Finding the Fourth Proportional to 8,975.09, 12,386.16 and 4,996.10

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Solution

The fourth proportional to 8,975.09, 12,386.16 and 4,996.10 is: 6,894.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.09 : 12,386.16 = 4,996.10 : x
  2. Step 2: Convert to fraction form
    8,975.09/12,386.16 = 4,996.10/x
  3. Step 3: Cross multiply
    8,975.09x = 12,386.16 × 4,996.10
  4. Step 4: Simplify right side
    8,975.09x = 61,882,432.05
  5. Step 5: Solve for x
    x = 61,882,432.05/8,975.09
  6. Step 6: Final answer
    x = 6,894.91

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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.