Home / 9,422.64-13,002.48-5,445.36

Finding the Fourth Proportional to 9,422.64, 13,002.48 and 5,445.36

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Solution

The fourth proportional to 9,422.64, 13,002.48 and 5,445.36 is: 7,514.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422.64 : 13,002.48 = 5,445.36 : x
  2. Step 2: Convert to fraction form
    9,422.64/13,002.48 = 5,445.36/x
  3. Step 3: Cross multiply
    9,422.64x = 13,002.48 × 5,445.36
  4. Step 4: Simplify right side
    9,422.64x = 70,803,184.49
  5. Step 5: Solve for x
    x = 70,803,184.49/9,422.64
  6. Step 6: Final answer
    x = 7,514.16

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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.