Home / 11,432.46-15,777.58-6,397.16

Finding the Fourth Proportional to 11,432.46, 15,777.58 and 6,397.16

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Solution

The fourth proportional to 11,432.46, 15,777.58 and 6,397.16 is: 8,828.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.46 : 15,777.58 = 6,397.16 : x
  2. Step 2: Convert to fraction form
    11,432.46/15,777.58 = 6,397.16/x
  3. Step 3: Cross multiply
    11,432.46x = 15,777.58 × 6,397.16
  4. Step 4: Simplify right side
    11,432.46x = 100,931,703.67
  5. Step 5: Solve for x
    x = 100,931,703.67/11,432.46
  6. Step 6: Final answer
    x = 8,828.52

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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.