Home / 8,935.14-12,331.39-4,957.03

Finding the Fourth Proportional to 8,935.14, 12,331.39 and 4,957.03

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Solution

The fourth proportional to 8,935.14, 12,331.39 and 4,957.03 is: 6,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.14 : 12,331.39 = 4,957.03 : x
  2. Step 2: Convert to fraction form
    8,935.14/12,331.39 = 4,957.03/x
  3. Step 3: Cross multiply
    8,935.14x = 12,331.39 × 4,957.03
  4. Step 4: Simplify right side
    8,935.14x = 61,127,070.17
  5. Step 5: Solve for x
    x = 61,127,070.17/8,935.14
  6. Step 6: Final answer
    x = 6,841.20

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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.