Home / 10,901.33-15,045.80-6,424.82

Finding the Fourth Proportional to 10,901.33, 15,045.80 and 6,424.82

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Solution

The fourth proportional to 10,901.33, 15,045.80 and 6,424.82 is: 8,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.33 : 15,045.80 = 6,424.82 : x
  2. Step 2: Convert to fraction form
    10,901.33/15,045.80 = 6,424.82/x
  3. Step 3: Cross multiply
    10,901.33x = 15,045.80 × 6,424.82
  4. Step 4: Simplify right side
    10,901.33x = 96,666,541.96
  5. Step 5: Solve for x
    x = 96,666,541.96/10,901.33
  6. Step 6: Final answer
    x = 8,867.40

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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.