Home / 8,962.72-12,368.76-4,983.84

Finding the Fourth Proportional to 8,962.72, 12,368.76 and 4,983.84

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Solution

The fourth proportional to 8,962.72, 12,368.76 and 4,983.84 is: 6,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.72 : 12,368.76 = 4,983.84 : x
  2. Step 2: Convert to fraction form
    8,962.72/12,368.76 = 4,983.84/x
  3. Step 3: Cross multiply
    8,962.72x = 12,368.76 × 4,983.84
  4. Step 4: Simplify right side
    8,962.72x = 61,643,920.84
  5. Step 5: Solve for x
    x = 61,643,920.84/8,962.72
  6. Step 6: Final answer
    x = 6,877.81

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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.