Home / 10,527.46-14,528.90-7,870.26

Finding the Fourth Proportional to 10,527.46, 14,528.90 and 7,870.26

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Solution

The fourth proportional to 10,527.46, 14,528.90 and 7,870.26 is: 10,861.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527.46 : 14,528.90 = 7,870.26 : x
  2. Step 2: Convert to fraction form
    10,527.46/14,528.90 = 7,870.26/x
  3. Step 3: Cross multiply
    10,527.46x = 14,528.90 × 7,870.26
  4. Step 4: Simplify right side
    10,527.46x = 114,346,220.51
  5. Step 5: Solve for x
    x = 114,346,220.51/10,527.46
  6. Step 6: Final answer
    x = 10,861.71

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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.