Home / 9,709.77-13,397.92-5,460.81

Finding the Fourth Proportional to 9,709.77, 13,397.92 and 5,460.81

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Solution

The fourth proportional to 9,709.77, 13,397.92 and 5,460.81 is: 7,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709.77 : 13,397.92 = 5,460.81 : x
  2. Step 2: Convert to fraction form
    9,709.77/13,397.92 = 5,460.81/x
  3. Step 3: Cross multiply
    9,709.77x = 13,397.92 × 5,460.81
  4. Step 4: Simplify right side
    9,709.77x = 73,163,570.26
  5. Step 5: Solve for x
    x = 73,163,570.26/9,709.77
  6. Step 6: Final answer
    x = 7,535.05

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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.