Home / 8,962.86-12,368.41-4,929.65

Finding the Fourth Proportional to 8,962.86, 12,368.41 and 4,929.65

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Solution

The fourth proportional to 8,962.86, 12,368.41 and 4,929.65 is: 6,802.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.86 : 12,368.41 = 4,929.65 : x
  2. Step 2: Convert to fraction form
    8,962.86/12,368.41 = 4,929.65/x
  3. Step 3: Cross multiply
    8,962.86x = 12,368.41 × 4,929.65
  4. Step 4: Simplify right side
    8,962.86x = 60,971,932.36
  5. Step 5: Solve for x
    x = 60,971,932.36/8,962.86
  6. Step 6: Final answer
    x = 6,802.73

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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.