Home / 9,549.79-13,178.81-5,300.93

Finding the Fourth Proportional to 9,549.79, 13,178.81 and 5,300.93

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Solution

The fourth proportional to 9,549.79, 13,178.81 and 5,300.93 is: 7,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,549.79 : 13,178.81 = 5,300.93 : x
  2. Step 2: Convert to fraction form
    9,549.79/13,178.81 = 5,300.93/x
  3. Step 3: Cross multiply
    9,549.79x = 13,178.81 × 5,300.93
  4. Step 4: Simplify right side
    9,549.79x = 69,859,949.29
  5. Step 5: Solve for x
    x = 69,859,949.29/9,549.79
  6. Step 6: Final answer
    x = 7,315.34

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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.