Home / 11,058.93-15,276.80-7,700.06

Finding the Fourth Proportional to 11,058.93, 15,276.80 and 7,700.06

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Solution

The fourth proportional to 11,058.93, 15,276.80 and 7,700.06 is: 10,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,058.93 : 15,276.80 = 7,700.06 : x
  2. Step 2: Convert to fraction form
    11,058.93/15,276.80 = 7,700.06/x
  3. Step 3: Cross multiply
    11,058.93x = 15,276.80 × 7,700.06
  4. Step 4: Simplify right side
    11,058.93x = 117,632,334.05
  5. Step 5: Solve for x
    x = 117,632,334.05/11,058.93
  6. Step 6: Final answer
    x = 10,636.86

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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.