Home / 8,470.07-11,686.33-4,932.60

Finding the Fourth Proportional to 8,470.07, 11,686.33 and 4,932.60

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Solution

The fourth proportional to 8,470.07, 11,686.33 and 4,932.60 is: 6,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,470.07 : 11,686.33 = 4,932.60 : x
  2. Step 2: Convert to fraction form
    8,470.07/11,686.33 = 4,932.60/x
  3. Step 3: Cross multiply
    8,470.07x = 11,686.33 × 4,932.60
  4. Step 4: Simplify right side
    8,470.07x = 57,643,925.95
  5. Step 5: Solve for x
    x = 57,643,925.95/8,470.07
  6. Step 6: Final answer
    x = 6,805.60

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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.