Home / 8,723.34-12,038.09-4,744.49

Finding the Fourth Proportional to 8,723.34, 12,038.09 and 4,744.49

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Solution

The fourth proportional to 8,723.34, 12,038.09 and 4,744.49 is: 6,547.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.34 : 12,038.09 = 4,744.49 : x
  2. Step 2: Convert to fraction form
    8,723.34/12,038.09 = 4,744.49/x
  3. Step 3: Cross multiply
    8,723.34x = 12,038.09 × 4,744.49
  4. Step 4: Simplify right side
    8,723.34x = 57,114,513.71
  5. Step 5: Solve for x
    x = 57,114,513.71/8,723.34
  6. Step 6: Final answer
    x = 6,547.32

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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.