Home / 10,456.48-15,686.11-5,526.32

Finding the Fourth Proportional to 10,456.48, 15,686.11 and 5,526.32

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Solution

The fourth proportional to 10,456.48, 15,686.11 and 5,526.32 is: 8,290.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,456.48 : 15,686.11 = 5,526.32 : x
  2. Step 2: Convert to fraction form
    10,456.48/15,686.11 = 5,526.32/x
  3. Step 3: Cross multiply
    10,456.48x = 15,686.11 × 5,526.32
  4. Step 4: Simplify right side
    10,456.48x = 86,686,463.42
  5. Step 5: Solve for x
    x = 86,686,463.42/10,456.48
  6. Step 6: Final answer
    x = 8,290.21

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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.