Home / 10,929.18-15,080.01-6,948.84

Finding the Fourth Proportional to 10,929.18, 15,080.01 and 6,948.84

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Solution

The fourth proportional to 10,929.18, 15,080.01 and 6,948.84 is: 9,587.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.18 : 15,080.01 = 6,948.84 : x
  2. Step 2: Convert to fraction form
    10,929.18/15,080.01 = 6,948.84/x
  3. Step 3: Cross multiply
    10,929.18x = 15,080.01 × 6,948.84
  4. Step 4: Simplify right side
    10,929.18x = 104,788,576.69
  5. Step 5: Solve for x
    x = 104,788,576.69/10,929.18
  6. Step 6: Final answer
    x = 9,587.96

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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.