Home / 10,575.48-14,590.86-7,039.28

Finding the Fourth Proportional to 10,575.48, 14,590.86 and 7,039.28

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Solution

The fourth proportional to 10,575.48, 14,590.86 and 7,039.28 is: 9,712.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,575.48 : 14,590.86 = 7,039.28 : x
  2. Step 2: Convert to fraction form
    10,575.48/14,590.86 = 7,039.28/x
  3. Step 3: Cross multiply
    10,575.48x = 14,590.86 × 7,039.28
  4. Step 4: Simplify right side
    10,575.48x = 102,709,148.98
  5. Step 5: Solve for x
    x = 102,709,148.98/10,575.48
  6. Step 6: Final answer
    x = 9,712.01

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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.