Home / 12,700.13-17,526.23-7,034.75

Finding the Fourth Proportional to 12,700.13, 17,526.23 and 7,034.75

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Solution

The fourth proportional to 12,700.13, 17,526.23 and 7,034.75 is: 9,707.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,700.13 : 17,526.23 = 7,034.75 : x
  2. Step 2: Convert to fraction form
    12,700.13/17,526.23 = 7,034.75/x
  3. Step 3: Cross multiply
    12,700.13x = 17,526.23 × 7,034.75
  4. Step 4: Simplify right side
    12,700.13x = 123,292,611.32
  5. Step 5: Solve for x
    x = 123,292,611.32/12,700.13
  6. Step 6: Final answer
    x = 9,707.98

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Half scale
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Double scale
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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.