Home / 7,845.07-10,823.54-4,485.51

Finding the Fourth Proportional to 7,845.07, 10,823.54 and 4,485.51

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Solution

The fourth proportional to 7,845.07, 10,823.54 and 4,485.51 is: 6,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.07 : 10,823.54 = 4,485.51 : x
  2. Step 2: Convert to fraction form
    7,845.07/10,823.54 = 4,485.51/x
  3. Step 3: Cross multiply
    7,845.07x = 10,823.54 × 4,485.51
  4. Step 4: Simplify right side
    7,845.07x = 48,549,099.71
  5. Step 5: Solve for x
    x = 48,549,099.71/7,845.07
  6. Step 6: Final answer
    x = 6,188.49

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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.