Home / 10,787.07-14,877.73-7,011.46

Finding the Fourth Proportional to 10,787.07, 14,877.73 and 7,011.46

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Solution

The fourth proportional to 10,787.07, 14,877.73 and 7,011.46 is: 9,670.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.07 : 14,877.73 = 7,011.46 : x
  2. Step 2: Convert to fraction form
    10,787.07/14,877.73 = 7,011.46/x
  3. Step 3: Cross multiply
    10,787.07x = 14,877.73 × 7,011.46
  4. Step 4: Simplify right side
    10,787.07x = 104,314,596.71
  5. Step 5: Solve for x
    x = 104,314,596.71/10,787.07
  6. Step 6: Final answer
    x = 9,670.33

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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.