Home / 9,064.14-12,509.88-5,529.40

Finding the Fourth Proportional to 9,064.14, 12,509.88 and 5,529.40

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Solution

The fourth proportional to 9,064.14, 12,509.88 and 5,529.40 is: 7,631.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,064.14 : 12,509.88 = 5,529.40 : x
  2. Step 2: Convert to fraction form
    9,064.14/12,509.88 = 5,529.40/x
  3. Step 3: Cross multiply
    9,064.14x = 12,509.88 × 5,529.40
  4. Step 4: Simplify right side
    9,064.14x = 69,172,130.47
  5. Step 5: Solve for x
    x = 69,172,130.47/9,064.14
  6. Step 6: Final answer
    x = 7,631.41

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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.