Home / 9,690.04-13,373.72-5,915.41

Finding the Fourth Proportional to 9,690.04, 13,373.72 and 5,915.41

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Solution

The fourth proportional to 9,690.04, 13,373.72 and 5,915.41 is: 8,164.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.04 : 13,373.72 = 5,915.41 : x
  2. Step 2: Convert to fraction form
    9,690.04/13,373.72 = 5,915.41/x
  3. Step 3: Cross multiply
    9,690.04x = 13,373.72 × 5,915.41
  4. Step 4: Simplify right side
    9,690.04x = 79,110,970.16
  5. Step 5: Solve for x
    x = 79,110,970.16/9,690.04
  6. Step 6: Final answer
    x = 8,164.15

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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.