Home / 7,528.32-11,281.52-3,628.16

Finding the Fourth Proportional to 7,528.32, 11,281.52 and 3,628.16

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Solution

The fourth proportional to 7,528.32, 11,281.52 and 3,628.16 is: 5,436.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.32 : 11,281.52 = 3,628.16 : x
  2. Step 2: Convert to fraction form
    7,528.32/11,281.52 = 3,628.16/x
  3. Step 3: Cross multiply
    7,528.32x = 11,281.52 × 3,628.16
  4. Step 4: Simplify right side
    7,528.32x = 40,931,159.60
  5. Step 5: Solve for x
    x = 40,931,159.60/7,528.32
  6. Step 6: Final answer
    x = 5,436.96

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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.