Home / 9,605.40-13,256.75-5,628.10

Finding the Fourth Proportional to 9,605.40, 13,256.75 and 5,628.10

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Solution

The fourth proportional to 9,605.40, 13,256.75 and 5,628.10 is: 7,767.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,605.40 : 13,256.75 = 5,628.10 : x
  2. Step 2: Convert to fraction form
    9,605.40/13,256.75 = 5,628.10/x
  3. Step 3: Cross multiply
    9,605.40x = 13,256.75 × 5,628.10
  4. Step 4: Simplify right side
    9,605.40x = 74,610,253.39
  5. Step 5: Solve for x
    x = 74,610,253.39/9,605.40
  6. Step 6: Final answer
    x = 7,767.53

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Half scale
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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.