Home / 9,192.04-12,686.32-5,214.14

Finding the Fourth Proportional to 9,192.04, 12,686.32 and 5,214.14

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Solution

The fourth proportional to 9,192.04, 12,686.32 and 5,214.14 is: 7,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.04 : 12,686.32 = 5,214.14 : x
  2. Step 2: Convert to fraction form
    9,192.04/12,686.32 = 5,214.14/x
  3. Step 3: Cross multiply
    9,192.04x = 12,686.32 × 5,214.14
  4. Step 4: Simplify right side
    9,192.04x = 66,148,248.56
  5. Step 5: Solve for x
    x = 66,148,248.56/9,192.04
  6. Step 6: Final answer
    x = 7,196.25

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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.