Home / 9,655.10-13,330.05-7,412.51

Finding the Fourth Proportional to 9,655.10, 13,330.05 and 7,412.51

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Solution

The fourth proportional to 9,655.10, 13,330.05 and 7,412.51 is: 10,233.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,655.10 : 13,330.05 = 7,412.51 : x
  2. Step 2: Convert to fraction form
    9,655.10/13,330.05 = 7,412.51/x
  3. Step 3: Cross multiply
    9,655.10x = 13,330.05 × 7,412.51
  4. Step 4: Simplify right side
    9,655.10x = 98,809,062.28
  5. Step 5: Solve for x
    x = 98,809,062.28/9,655.10
  6. Step 6: Final answer
    x = 10,233.88

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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.