Home / 10,371.33-15,547.64-7,040.70

Finding the Fourth Proportional to 10,371.33, 15,547.64 and 7,040.70

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Solution

The fourth proportional to 10,371.33, 15,547.64 and 7,040.70 is: 10,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.33 : 15,547.64 = 7,040.70 : x
  2. Step 2: Convert to fraction form
    10,371.33/15,547.64 = 7,040.70/x
  3. Step 3: Cross multiply
    10,371.33x = 15,547.64 × 7,040.70
  4. Step 4: Simplify right side
    10,371.33x = 109,466,233.74
  5. Step 5: Solve for x
    x = 109,466,233.74/10,371.33
  6. Step 6: Final answer
    x = 10,554.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.