Home / 9,485.70-13,090.58-5,506.57

Finding the Fourth Proportional to 9,485.70, 13,090.58 and 5,506.57

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Solution

The fourth proportional to 9,485.70, 13,090.58 and 5,506.57 is: 7,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,485.70 : 13,090.58 = 5,506.57 : x
  2. Step 2: Convert to fraction form
    9,485.70/13,090.58 = 5,506.57/x
  3. Step 3: Cross multiply
    9,485.70x = 13,090.58 × 5,506.57
  4. Step 4: Simplify right side
    9,485.70x = 72,084,195.11
  5. Step 5: Solve for x
    x = 72,084,195.11/9,485.70
  6. Step 6: Final answer
    x = 7,599.25

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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.