Home / 10,376.64-14,319.72-5,660.91

Finding the Fourth Proportional to 10,376.64, 14,319.72 and 5,660.91

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Solution

The fourth proportional to 10,376.64, 14,319.72 and 5,660.91 is: 7,812.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.64 : 14,319.72 = 5,660.91 : x
  2. Step 2: Convert to fraction form
    10,376.64/14,319.72 = 5,660.91/x
  3. Step 3: Cross multiply
    10,376.64x = 14,319.72 × 5,660.91
  4. Step 4: Simplify right side
    10,376.64x = 81,062,646.15
  5. Step 5: Solve for x
    x = 81,062,646.15/10,376.64
  6. Step 6: Final answer
    x = 7,812.03

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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.