Home / 9,435.65-13,021.35-5,402.46

Finding the Fourth Proportional to 9,435.65, 13,021.35 and 5,402.46

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Solution

The fourth proportional to 9,435.65, 13,021.35 and 5,402.46 is: 7,455.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,435.65 : 13,021.35 = 5,402.46 : x
  2. Step 2: Convert to fraction form
    9,435.65/13,021.35 = 5,402.46/x
  3. Step 3: Cross multiply
    9,435.65x = 13,021.35 × 5,402.46
  4. Step 4: Simplify right side
    9,435.65x = 70,347,322.52
  5. Step 5: Solve for x
    x = 70,347,322.52/9,435.65
  6. Step 6: Final answer
    x = 7,455.48

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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.