Home / 9,587.15-13,230.24-5,395.40

Finding the Fourth Proportional to 9,587.15, 13,230.24 and 5,395.40

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Solution

The fourth proportional to 9,587.15, 13,230.24 and 5,395.40 is: 7,445.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,587.15 : 13,230.24 = 5,395.40 : x
  2. Step 2: Convert to fraction form
    9,587.15/13,230.24 = 5,395.40/x
  3. Step 3: Cross multiply
    9,587.15x = 13,230.24 × 5,395.40
  4. Step 4: Simplify right side
    9,587.15x = 71,382,436.90
  5. Step 5: Solve for x
    x = 71,382,436.90/9,587.15
  6. Step 6: Final answer
    x = 7,445.64

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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.