Home / 12,557.84-17,330.64-7,252.88

Finding the Fourth Proportional to 12,557.84, 17,330.64 and 7,252.88

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Solution

The fourth proportional to 12,557.84, 17,330.64 and 7,252.88 is: 10,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.84 : 17,330.64 = 7,252.88 : x
  2. Step 2: Convert to fraction form
    12,557.84/17,330.64 = 7,252.88/x
  3. Step 3: Cross multiply
    12,557.84x = 17,330.64 × 7,252.88
  4. Step 4: Simplify right side
    12,557.84x = 125,697,052.24
  5. Step 5: Solve for x
    x = 125,697,052.24/12,557.84
  6. Step 6: Final answer
    x = 10,009.45

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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.