Home / 9,448.40-13,038.48-5,256.56

Finding the Fourth Proportional to 9,448.40, 13,038.48 and 5,256.56

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Solution

The fourth proportional to 9,448.40, 13,038.48 and 5,256.56 is: 7,253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,448.40 : 13,038.48 = 5,256.56 : x
  2. Step 2: Convert to fraction form
    9,448.40/13,038.48 = 5,256.56/x
  3. Step 3: Cross multiply
    9,448.40x = 13,038.48 × 5,256.56
  4. Step 4: Simplify right side
    9,448.40x = 68,537,552.43
  5. Step 5: Solve for x
    x = 68,537,552.43/9,448.40
  6. Step 6: Final answer
    x = 7,253.88

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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.