Home / 9,307.40-13,944.70-4,915.18

Finding the Fourth Proportional to 9,307.40, 13,944.70 and 4,915.18

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Solution

The fourth proportional to 9,307.40, 13,944.70 and 4,915.18 is: 7,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307.40 : 13,944.70 = 4,915.18 : x
  2. Step 2: Convert to fraction form
    9,307.40/13,944.70 = 4,915.18/x
  3. Step 3: Cross multiply
    9,307.40x = 13,944.70 × 4,915.18
  4. Step 4: Simplify right side
    9,307.40x = 68,540,710.55
  5. Step 5: Solve for x
    x = 68,540,710.55/9,307.40
  6. Step 6: Final answer
    x = 7,364.11

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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.