Home / 12,509.28-17,262.32-7,204.05

Finding the Fourth Proportional to 12,509.28, 17,262.32 and 7,204.05

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Solution

The fourth proportional to 12,509.28, 17,262.32 and 7,204.05 is: 9,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509.28 : 17,262.32 = 7,204.05 : x
  2. Step 2: Convert to fraction form
    12,509.28/17,262.32 = 7,204.05/x
  3. Step 3: Cross multiply
    12,509.28x = 17,262.32 × 7,204.05
  4. Step 4: Simplify right side
    12,509.28x = 124,358,580.38
  5. Step 5: Solve for x
    x = 124,358,580.38/12,509.28
  6. Step 6: Final answer
    x = 9,941.31

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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.