Home / 7,187.23-9,915.56-5,303.33

Finding the Fourth Proportional to 7,187.23, 9,915.56 and 5,303.33

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Solution

The fourth proportional to 7,187.23, 9,915.56 and 5,303.33 is: 7,316.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.23 : 9,915.56 = 5,303.33 : x
  2. Step 2: Convert to fraction form
    7,187.23/9,915.56 = 5,303.33/x
  3. Step 3: Cross multiply
    7,187.23x = 9,915.56 × 5,303.33
  4. Step 4: Simplify right side
    7,187.23x = 52,585,485.09
  5. Step 5: Solve for x
    x = 52,585,485.09/7,187.23
  6. Step 6: Final answer
    x = 7,316.52

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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.