Home / 9,435.80-13,022.13-5,659.11

Finding the Fourth Proportional to 9,435.80, 13,022.13 and 5,659.11

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Solution

The fourth proportional to 9,435.80, 13,022.13 and 5,659.11 is: 7,810.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.80 : 13,022.13 = 5,659.11 : x
  2. Step 2: Convert to fraction form
    9,435.80/13,022.13 = 5,659.11/x
  3. Step 3: Cross multiply
    9,435.80x = 13,022.13 × 5,659.11
  4. Step 4: Simplify right side
    9,435.80x = 73,693,666.10
  5. Step 5: Solve for x
    x = 73,693,666.10/9,435.80
  6. Step 6: Final answer
    x = 7,810.01

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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.