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Finding the Fourth Proportional to 9,465.69, 13,062.13 and 5,688.16

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Solution

The fourth proportional to 9,465.69, 13,062.13 and 5,688.16 is: 7,849.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,465.69 : 13,062.13 = 5,688.16 : x
  2. Step 2: Convert to fraction form
    9,465.69/13,062.13 = 5,688.16/x
  3. Step 3: Cross multiply
    9,465.69x = 13,062.13 × 5,688.16
  4. Step 4: Simplify right side
    9,465.69x = 74,299,459.84
  5. Step 5: Solve for x
    x = 74,299,459.84/9,465.69
  6. Step 6: Final answer
    x = 7,849.34

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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.