Home / 9,133.36-12,604.28-5,154.50

Finding the Fourth Proportional to 9,133.36, 12,604.28 and 5,154.50

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Solution

The fourth proportional to 9,133.36, 12,604.28 and 5,154.50 is: 7,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.36 : 12,604.28 = 5,154.50 : x
  2. Step 2: Convert to fraction form
    9,133.36/12,604.28 = 5,154.50/x
  3. Step 3: Cross multiply
    9,133.36x = 12,604.28 × 5,154.50
  4. Step 4: Simplify right side
    9,133.36x = 64,968,767.00
  5. Step 5: Solve for x
    x = 64,968,767.00/9,133.36
  6. Step 6: Final answer
    x = 7,113.35

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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.