Home / 10,529.61-14,528.88-8,536.67

Finding the Fourth Proportional to 10,529.61, 14,528.88 and 8,536.67

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Solution

The fourth proportional to 10,529.61, 14,528.88 and 8,536.67 is: 11,779.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.61 : 14,528.88 = 8,536.67 : x
  2. Step 2: Convert to fraction form
    10,529.61/14,528.88 = 8,536.67/x
  3. Step 3: Cross multiply
    10,529.61x = 14,528.88 × 8,536.67
  4. Step 4: Simplify right side
    10,529.61x = 124,028,290.35
  5. Step 5: Solve for x
    x = 124,028,290.35/10,529.61
  6. Step 6: Final answer
    x = 11,779.00

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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.