Home / 7,152-9,867.60-4,502.04

Finding the Fourth Proportional to 7,152, 9,867.60 and 4,502.04

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Solution

The fourth proportional to 7,152, 9,867.60 and 4,502.04 is: 6,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152 : 9,867.60 = 4,502.04 : x
  2. Step 2: Convert to fraction form
    7,152/9,867.60 = 4,502.04/x
  3. Step 3: Cross multiply
    7,152x = 9,867.60 × 4,502.04
  4. Step 4: Simplify right side
    7,152x = 44,424,329.90
  5. Step 5: Solve for x
    x = 44,424,329.90/7,152
  6. Step 6: Final answer
    x = 6,211.46

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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.