Home / 7,885.36-10,880.63-4,528.32

Finding the Fourth Proportional to 7,885.36, 10,880.63 and 4,528.32

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Solution

The fourth proportional to 7,885.36, 10,880.63 and 4,528.32 is: 6,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,885.36 : 10,880.63 = 4,528.32 : x
  2. Step 2: Convert to fraction form
    7,885.36/10,880.63 = 4,528.32/x
  3. Step 3: Cross multiply
    7,885.36x = 10,880.63 × 4,528.32
  4. Step 4: Simplify right side
    7,885.36x = 49,270,927.98
  5. Step 5: Solve for x
    x = 49,270,927.98/7,885.36
  6. Step 6: Final answer
    x = 6,248.40

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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.