Home / 9,006.40-13,509.60-4,624.30

Finding the Fourth Proportional to 9,006.40, 13,509.60 and 4,624.30

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Solution

The fourth proportional to 9,006.40, 13,509.60 and 4,624.30 is: 6,936.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.40 : 13,509.60 = 4,624.30 : x
  2. Step 2: Convert to fraction form
    9,006.40/13,509.60 = 4,624.30/x
  3. Step 3: Cross multiply
    9,006.40x = 13,509.60 × 4,624.30
  4. Step 4: Simplify right side
    9,006.40x = 62,472,443.28
  5. Step 5: Solve for x
    x = 62,472,443.28/9,006.40
  6. Step 6: Final answer
    x = 6,936.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.