Home / 8,962.47-12,368.13-4,983.68

Finding the Fourth Proportional to 8,962.47, 12,368.13 and 4,983.68

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Solution

The fourth proportional to 8,962.47, 12,368.13 and 4,983.68 is: 6,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.47 : 12,368.13 = 4,983.68 : x
  2. Step 2: Convert to fraction form
    8,962.47/12,368.13 = 4,983.68/x
  3. Step 3: Cross multiply
    8,962.47x = 12,368.13 × 4,983.68
  4. Step 4: Simplify right side
    8,962.47x = 61,638,740.28
  5. Step 5: Solve for x
    x = 61,638,740.28/8,962.47
  6. Step 6: Final answer
    x = 6,877.43

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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.