Home / 7,470.06-10,308.10-4,283.32

Finding the Fourth Proportional to 7,470.06, 10,308.10 and 4,283.32

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Solution

The fourth proportional to 7,470.06, 10,308.10 and 4,283.32 is: 5,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.06 : 10,308.10 = 4,283.32 : x
  2. Step 2: Convert to fraction form
    7,470.06/10,308.10 = 4,283.32/x
  3. Step 3: Cross multiply
    7,470.06x = 10,308.10 × 4,283.32
  4. Step 4: Simplify right side
    7,470.06x = 44,152,890.89
  5. Step 5: Solve for x
    x = 44,152,890.89/7,470.06
  6. Step 6: Final answer
    x = 5,910.65

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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.