Home / 11,036.16-16,515.36-8,418.24

Finding the Fourth Proportional to 11,036.16, 16,515.36 and 8,418.24

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Solution

The fourth proportional to 11,036.16, 16,515.36 and 8,418.24 is: 12,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.16 : 16,515.36 = 8,418.24 : x
  2. Step 2: Convert to fraction form
    11,036.16/16,515.36 = 8,418.24/x
  3. Step 3: Cross multiply
    11,036.16x = 16,515.36 × 8,418.24
  4. Step 4: Simplify right side
    11,036.16x = 139,030,264.17
  5. Step 5: Solve for x
    x = 139,030,264.17/11,036.16
  6. Step 6: Final answer
    x = 12,597.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.