Home / 10,517.54-14,509.01-6,881.45

Finding the Fourth Proportional to 10,517.54, 14,509.01 and 6,881.45

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Solution

The fourth proportional to 10,517.54, 14,509.01 and 6,881.45 is: 9,493.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.54 : 14,509.01 = 6,881.45 : x
  2. Step 2: Convert to fraction form
    10,517.54/14,509.01 = 6,881.45/x
  3. Step 3: Cross multiply
    10,517.54x = 14,509.01 × 6,881.45
  4. Step 4: Simplify right side
    10,517.54x = 99,842,992.46
  5. Step 5: Solve for x
    x = 99,842,992.46/10,517.54
  6. Step 6: Final answer
    x = 9,493.00

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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.