Home / 9,820.10-13,552.10-5,629.16

Finding the Fourth Proportional to 9,820.10, 13,552.10 and 5,629.16

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Solution

The fourth proportional to 9,820.10, 13,552.10 and 5,629.16 is: 7,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,820.10 : 13,552.10 = 5,629.16 : x
  2. Step 2: Convert to fraction form
    9,820.10/13,552.10 = 5,629.16/x
  3. Step 3: Cross multiply
    9,820.10x = 13,552.10 × 5,629.16
  4. Step 4: Simplify right side
    9,820.10x = 76,286,939.24
  5. Step 5: Solve for x
    x = 76,286,939.24/9,820.10
  6. Step 6: Final answer
    x = 7,768.45

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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.