Home / 11,244.64-15,518.64-6,530.44

Finding the Fourth Proportional to 11,244.64, 15,518.64 and 6,530.44

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Solution

The fourth proportional to 11,244.64, 15,518.64 and 6,530.44 is: 9,012.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.64 : 15,518.64 = 6,530.44 : x
  2. Step 2: Convert to fraction form
    11,244.64/15,518.64 = 6,530.44/x
  3. Step 3: Cross multiply
    11,244.64x = 15,518.64 × 6,530.44
  4. Step 4: Simplify right side
    11,244.64x = 101,343,547.40
  5. Step 5: Solve for x
    x = 101,343,547.40/11,244.64
  6. Step 6: Final answer
    x = 9,012.61

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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.