Home / 11,327.51-15,632.65-6,291.77

Finding the Fourth Proportional to 11,327.51, 15,632.65 and 6,291.77

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Solution

The fourth proportional to 11,327.51, 15,632.65 and 6,291.77 is: 8,683.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.51 : 15,632.65 = 6,291.77 : x
  2. Step 2: Convert to fraction form
    11,327.51/15,632.65 = 6,291.77/x
  3. Step 3: Cross multiply
    11,327.51x = 15,632.65 × 6,291.77
  4. Step 4: Simplify right side
    11,327.51x = 98,356,967.99
  5. Step 5: Solve for x
    x = 98,356,967.99/11,327.51
  6. Step 6: Final answer
    x = 8,683.02

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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.