Home / 10,528.99-15,803.03-5,602.77

Finding the Fourth Proportional to 10,528.99, 15,803.03 and 5,602.77

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Solution

The fourth proportional to 10,528.99, 15,803.03 and 5,602.77 is: 8,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.99 : 15,803.03 = 5,602.77 : x
  2. Step 2: Convert to fraction form
    10,528.99/15,803.03 = 5,602.77/x
  3. Step 3: Cross multiply
    10,528.99x = 15,803.03 × 5,602.77
  4. Step 4: Simplify right side
    10,528.99x = 88,540,756.40
  5. Step 5: Solve for x
    x = 88,540,756.40/10,528.99
  6. Step 6: Final answer
    x = 8,409.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.