Home / 10,612.46-15,915.18-3,590.58

Finding the Fourth Proportional to 10,612.46, 15,915.18 and 3,590.58

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Solution

The fourth proportional to 10,612.46, 15,915.18 and 3,590.58 is: 5,384.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.46 : 15,915.18 = 3,590.58 : x
  2. Step 2: Convert to fraction form
    10,612.46/15,915.18 = 3,590.58/x
  3. Step 3: Cross multiply
    10,612.46x = 15,915.18 × 3,590.58
  4. Step 4: Simplify right side
    10,612.46x = 57,144,727.00
  5. Step 5: Solve for x
    x = 57,144,727.00/10,612.46
  6. Step 6: Final answer
    x = 5,384.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.