Home / 9,432.32-13,012.80-5,699.84

Finding the Fourth Proportional to 9,432.32, 13,012.80 and 5,699.84

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Solution

The fourth proportional to 9,432.32, 13,012.80 and 5,699.84 is: 7,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.32 : 13,012.80 = 5,699.84 : x
  2. Step 2: Convert to fraction form
    9,432.32/13,012.80 = 5,699.84/x
  3. Step 3: Cross multiply
    9,432.32x = 13,012.80 × 5,699.84
  4. Step 4: Simplify right side
    9,432.32x = 74,170,877.95
  5. Step 5: Solve for x
    x = 74,170,877.95/9,432.32
  6. Step 6: Final answer
    x = 7,863.48

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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.