Home / 12,332.16-17,013.60-7,855.11

Finding the Fourth Proportional to 12,332.16, 17,013.60 and 7,855.11

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Solution

The fourth proportional to 12,332.16, 17,013.60 and 7,855.11 is: 10,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332.16 : 17,013.60 = 7,855.11 : x
  2. Step 2: Convert to fraction form
    12,332.16/17,013.60 = 7,855.11/x
  3. Step 3: Cross multiply
    12,332.16x = 17,013.60 × 7,855.11
  4. Step 4: Simplify right side
    12,332.16x = 133,643,699.50
  5. Step 5: Solve for x
    x = 133,643,699.50/12,332.16
  6. Step 6: Final answer
    x = 10,837.01

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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.