Home / 12,434.04-17,153.58-7,127.64

Finding the Fourth Proportional to 12,434.04, 17,153.58 and 7,127.64

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Solution

The fourth proportional to 12,434.04, 17,153.58 and 7,127.64 is: 9,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.04 : 17,153.58 = 7,127.64 : x
  2. Step 2: Convert to fraction form
    12,434.04/17,153.58 = 7,127.64/x
  3. Step 3: Cross multiply
    12,434.04x = 17,153.58 × 7,127.64
  4. Step 4: Simplify right side
    12,434.04x = 122,264,542.95
  5. Step 5: Solve for x
    x = 122,264,542.95/12,434.04
  6. Step 6: Final answer
    x = 9,833.05

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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.