Home / 12,270.60-16,925.13-7,557.66

Finding the Fourth Proportional to 12,270.60, 16,925.13 and 7,557.66

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Solution

The fourth proportional to 12,270.60, 16,925.13 and 7,557.66 is: 10,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,270.60 : 16,925.13 = 7,557.66 : x
  2. Step 2: Convert to fraction form
    12,270.60/16,925.13 = 7,557.66/x
  3. Step 3: Cross multiply
    12,270.60x = 16,925.13 × 7,557.66
  4. Step 4: Simplify right side
    12,270.60x = 127,914,378.00
  5. Step 5: Solve for x
    x = 127,914,378.00/12,270.60
  6. Step 6: Final answer
    x = 10,424.46

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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.