Home / 9,707.92-13,397.40-5,459.06

Finding the Fourth Proportional to 9,707.92, 13,397.40 and 5,459.06

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Solution

The fourth proportional to 9,707.92, 13,397.40 and 5,459.06 is: 7,533.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,707.92 : 13,397.40 = 5,459.06 : x
  2. Step 2: Convert to fraction form
    9,707.92/13,397.40 = 5,459.06/x
  3. Step 3: Cross multiply
    9,707.92x = 13,397.40 × 5,459.06
  4. Step 4: Simplify right side
    9,707.92x = 73,137,243.94
  5. Step 5: Solve for x
    x = 73,137,243.94/9,707.92
  6. Step 6: Final answer
    x = 7,533.77

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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.