Home / 12,708.64-17,533.72-7,670.95

Finding the Fourth Proportional to 12,708.64, 17,533.72 and 7,670.95

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Solution

The fourth proportional to 12,708.64, 17,533.72 and 7,670.95 is: 10,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.64 : 17,533.72 = 7,670.95 : x
  2. Step 2: Convert to fraction form
    12,708.64/17,533.72 = 7,670.95/x
  3. Step 3: Cross multiply
    12,708.64x = 17,533.72 × 7,670.95
  4. Step 4: Simplify right side
    12,708.64x = 134,500,276.76
  5. Step 5: Solve for x
    x = 134,500,276.76/12,708.64
  6. Step 6: Final answer
    x = 10,583.37

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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.