Home / 10,240.56-14,130.72-7,097.76

Finding the Fourth Proportional to 10,240.56, 14,130.72 and 7,097.76

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Solution

The fourth proportional to 10,240.56, 14,130.72 and 7,097.76 is: 9,794.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.56 : 14,130.72 = 7,097.76 : x
  2. Step 2: Convert to fraction form
    10,240.56/14,130.72 = 7,097.76/x
  3. Step 3: Cross multiply
    10,240.56x = 14,130.72 × 7,097.76
  4. Step 4: Simplify right side
    10,240.56x = 100,296,459.19
  5. Step 5: Solve for x
    x = 100,296,459.19/10,240.56
  6. Step 6: Final answer
    x = 9,794.04

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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.