Home / 10,772.07-14,865.56-6,580.32

Finding the Fourth Proportional to 10,772.07, 14,865.56 and 6,580.32

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Solution

The fourth proportional to 10,772.07, 14,865.56 and 6,580.32 is: 9,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.07 : 14,865.56 = 6,580.32 : x
  2. Step 2: Convert to fraction form
    10,772.07/14,865.56 = 6,580.32/x
  3. Step 3: Cross multiply
    10,772.07x = 14,865.56 × 6,580.32
  4. Step 4: Simplify right side
    10,772.07x = 97,820,141.78
  5. Step 5: Solve for x
    x = 97,820,141.78/10,772.07
  6. Step 6: Final answer
    x = 9,080.90

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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.