Home / 8,730.79-12,048.75-4,752.16

Finding the Fourth Proportional to 8,730.79, 12,048.75 and 4,752.16

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Solution

The fourth proportional to 8,730.79, 12,048.75 and 4,752.16 is: 6,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.79 : 12,048.75 = 4,752.16 : x
  2. Step 2: Convert to fraction form
    8,730.79/12,048.75 = 4,752.16/x
  3. Step 3: Cross multiply
    8,730.79x = 12,048.75 × 4,752.16
  4. Step 4: Simplify right side
    8,730.79x = 57,257,557.68
  5. Step 5: Solve for x
    x = 57,257,557.68/8,730.79
  6. Step 6: Final answer
    x = 6,558.12

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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.