Home / 10,528.49-14,548.53-9,015.77

Finding the Fourth Proportional to 10,528.49, 14,548.53 and 9,015.77

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Solution

The fourth proportional to 10,528.49, 14,548.53 and 9,015.77 is: 12,458.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.49 : 14,548.53 = 9,015.77 : x
  2. Step 2: Convert to fraction form
    10,528.49/14,548.53 = 9,015.77/x
  3. Step 3: Cross multiply
    10,528.49x = 14,548.53 × 9,015.77
  4. Step 4: Simplify right side
    10,528.49x = 131,166,200.32
  5. Step 5: Solve for x
    x = 131,166,200.32/10,528.49
  6. Step 6: Final answer
    x = 12,458.22

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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.