Home / 10,787.15-14,886.48-6,538.07

Finding the Fourth Proportional to 10,787.15, 14,886.48 and 6,538.07

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Solution

The fourth proportional to 10,787.15, 14,886.48 and 6,538.07 is: 9,022.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.15 : 14,886.48 = 6,538.07 : x
  2. Step 2: Convert to fraction form
    10,787.15/14,886.48 = 6,538.07/x
  3. Step 3: Cross multiply
    10,787.15x = 14,886.48 × 6,538.07
  4. Step 4: Simplify right side
    10,787.15x = 97,328,848.29
  5. Step 5: Solve for x
    x = 97,328,848.29/10,787.15
  6. Step 6: Final answer
    x = 9,022.67

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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.