Home / 9,640.16-13,303.48-5,609.38

Finding the Fourth Proportional to 9,640.16, 13,303.48 and 5,609.38

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Solution

The fourth proportional to 9,640.16, 13,303.48 and 5,609.38 is: 7,740.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,640.16 : 13,303.48 = 5,609.38 : x
  2. Step 2: Convert to fraction form
    9,640.16/13,303.48 = 5,609.38/x
  3. Step 3: Cross multiply
    9,640.16x = 13,303.48 × 5,609.38
  4. Step 4: Simplify right side
    9,640.16x = 74,624,337.20
  5. Step 5: Solve for x
    x = 74,624,337.20/9,640.16
  6. Step 6: Final answer
    x = 7,740.98

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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.