Home / 10,302.15-14,212.35-6,943.89

Finding the Fourth Proportional to 10,302.15, 14,212.35 and 6,943.89

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Solution

The fourth proportional to 10,302.15, 14,212.35 and 6,943.89 is: 9,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302.15 : 14,212.35 = 6,943.89 : x
  2. Step 2: Convert to fraction form
    10,302.15/14,212.35 = 6,943.89/x
  3. Step 3: Cross multiply
    10,302.15x = 14,212.35 × 6,943.89
  4. Step 4: Simplify right side
    10,302.15x = 98,688,995.04
  5. Step 5: Solve for x
    x = 98,688,995.04/10,302.15
  6. Step 6: Final answer
    x = 9,579.46

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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.