Home / 12,295.04-16,962.32-7,571.12

Finding the Fourth Proportional to 12,295.04, 16,962.32 and 7,571.12

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Solution

The fourth proportional to 12,295.04, 16,962.32 and 7,571.12 is: 10,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.04 : 16,962.32 = 7,571.12 : x
  2. Step 2: Convert to fraction form
    12,295.04/16,962.32 = 7,571.12/x
  3. Step 3: Cross multiply
    12,295.04x = 16,962.32 × 7,571.12
  4. Step 4: Simplify right side
    12,295.04x = 128,423,760.20
  5. Step 5: Solve for x
    x = 128,423,760.20/12,295.04
  6. Step 6: Final answer
    x = 10,445.17

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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.