Home / 11,547.06-15,935.11-6,511.52

Finding the Fourth Proportional to 11,547.06, 15,935.11 and 6,511.52

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Solution

The fourth proportional to 11,547.06, 15,935.11 and 6,511.52 is: 8,985.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,547.06 : 15,935.11 = 6,511.52 : x
  2. Step 2: Convert to fraction form
    11,547.06/15,935.11 = 6,511.52/x
  3. Step 3: Cross multiply
    11,547.06x = 15,935.11 × 6,511.52
  4. Step 4: Simplify right side
    11,547.06x = 103,761,787.47
  5. Step 5: Solve for x
    x = 103,761,787.47/11,547.06
  6. Step 6: Final answer
    x = 8,985.99

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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.