Home / 11,317.95-15,620.18-6,602.22

Finding the Fourth Proportional to 11,317.95, 15,620.18 and 6,602.22

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Solution

The fourth proportional to 11,317.95, 15,620.18 and 6,602.22 is: 9,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.95 : 15,620.18 = 6,602.22 : x
  2. Step 2: Convert to fraction form
    11,317.95/15,620.18 = 6,602.22/x
  3. Step 3: Cross multiply
    11,317.95x = 15,620.18 × 6,602.22
  4. Step 4: Simplify right side
    11,317.95x = 103,127,831.79
  5. Step 5: Solve for x
    x = 103,127,831.79/11,317.95
  6. Step 6: Final answer
    x = 9,111.88

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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.